{"product_id":"be90m375p25s-brass-dot-push-in-swivel-male-elbow-3-8-inch-tube-o-d-x-1-4-inch-pipe-thread","title":"BE90M375P25S - Brass DOT Push-In Swivel Male Elbow 3\/8 Inch Tube O.D. x 1\/4 Inch Pipe Thread","description":"\u003cp\u003eBuyers Products Swivel Male Elbows are made of long lasting corrosion-resistant brass. They are designed to meet DOT FMVSS 571.106 air brake performance specifications.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse; width:100%; font-size:14px;\"\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eColor\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eFinish\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eFitting Shape\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e90?? Elbow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eMale\/Female\/Union\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eMale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eMeets  D.O.T. FMVSS 571.106 Air Brake Performance Regulations (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003ePipe Thread Size\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e1\/4 NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eSwivel (y\/n)\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px 10px; border:1px solid #e5e7eb; background:#f9fafb;\"\u003eWorks with Tube Outer Diameter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 10px; border:1px solid #e5e7eb;\"\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003eThe \u003cstrong\u003eBrass DOT Push-In Swivel Male Elbow\u003c\/strong\u003e with a 3\/8 Inch Tube O.D. and a 1\/4 Inch Pipe Thread represents a critical component in the intricate architecture of pneumatic braking systems, particularly within the commercial vehicle sector. Engineered for robust performance and unwavering reliability, this fitting is meticulously designed to facilitate the secure and efficient routing of air lines in applications where spatial constraints and dynamic operational environments demand superior mechanical integrity. Its specialized configuration, combining a 90-degree elbow for directional change, a swivel mechanism for flexible alignment, and a push-in connection for rapid assembly, underpins its value in modern vehicle manufacturing and maintenance. The inherent properties of brass, coupled with stringent adherence to Department of Transportation (DOT) safety standards, position this product as an indispensable element for ensuring the safe and continuous operation of air brake systems.\u003c\/p\u003e\u003cp\u003eThe choice of \u003cstrong\u003ebrass\u003c\/strong\u003e as the primary material for this fitting is not coincidental; it is a deliberate engineering decision based on a comprehensive understanding of material science and application demands. Brass, an alloy primarily composed of copper and zinc, offers an exceptional combination of properties that are highly advantageous in pneumatic systems. Foremost among these is its outstanding \u003cstrong\u003ecorrosion resistance\u003c\/strong\u003e, particularly against moisture and various atmospheric contaminants commonly encountered in automotive environments. Unlike steel, which can succumb to rust and degrade over time, brass maintains its structural integrity and aesthetic finish, ensuring a long service life. Furthermore, brass exhibits excellent \u003cstrong\u003emachinability\u003c\/strong\u003e, allowing for the precise manufacturing of intricate components, including the internal mechanisms required for push-in and swivel functionalities. This precision is paramount for achieving the tight tolerances necessary for reliable sealing and mechanical engagement. Its inherent ductility provides resistance to brittle fracture, a critical factor in systems subjected to constant vibration and pressure fluctuations. The material’s ability to withstand a broad range of operating temperatures without significant degradation in mechanical properties further contributes to its suitability for heavy-duty vehicle applications. The specified \"Natural\" color and \"Plain\" finish indicate an unadorned brass surface, which is both functional and indicative of its fundamental material quality, requiring no additional coatings to perform optimally in its intended role. This dedication to using high-grade brass ensures that the fitting not only meets but often exceeds the demanding operational expectations of commercial air brake systems.\u003c\/p\u003e\u003cp\u003eA cornerstone of this fitting's design and certification is its complete \u003cstrong\u003ecompliance with DOT FMVSS 571.106 Air Brake Performance Specifications\u003c\/strong\u003e. This standard, promulgated by the National Highway Traffic Safety Administration (NHTSA), is a federal safety mandate specifically addressing hydraulic brake hoses, air brake hoses, and their associated fittings. For air brake fittings, FMVSS 106 sets forth rigorous performance requirements designed to ensure the integrity and reliability of the pneumatic braking system, which is paramount for vehicle safety. Compliance signifies that this fitting has undergone and successfully passed a series of demanding tests, including but not limited to, \u003cstrong\u003eburst pressure tests\u003c\/strong\u003e, which verify its ability to withstand extreme internal pressures far exceeding normal operating conditions; \u003cstrong\u003etensile strength tests\u003c\/strong\u003e, assessing its resistance to axial pulling forces, crucial for maintaining hose connections under stress; and \u003cstrong\u003eimpulse tests\u003c\/strong\u003e, which simulate the cyclical pressure fluctuations encountered during braking operations over extended periods, evaluating fatigue resistance. Furthermore, tests for vacuum, bending, and environmental resistance (e.g., ozone exposure, heat resistance) are integral to FMVSS 106, guaranteeing that the fitting maintains its performance across varied operational and environmental extremes. The \"Yes\" affirmation under \"Meets D.O.T. FMVSS 571.106 Air Brake Performance Regulations\" provides unequivocal assurance to engineers, vehicle manufacturers, and fleet operators that this component contributes to the overall safety and regulatory compliance of their braking systems. The implications of this compliance extend beyond mere regulatory checkboxes; it directly translates into enhanced operational safety, reduced risk of catastrophic brake failure, and prolonged system reliability, ultimately protecting lives and assets on the road. For commercial vehicles, where air brake failures can have severe consequences, selecting components that rigorously adhere to FMVSS 106 is an absolute necessity, underscoring the intrinsic value of this brass elbow.\u003c\/p\u003e\u003cp\u003eThe integration of \u003cstrong\u003ePush-In (PTC) Connection Technology\u003c\/strong\u003e is a significant feature contributing to the efficiency and ergonomic advantages of this fitting. Push-in fittings, also known as push-to-connect or quick-connect fittings, utilize an ingenious mechanism to establish a secure, leak-proof seal without the need for specialized tools, adhesives, or excessive force during installation. The core of this technology involves a precision-engineered collet (or gripping mechanism) with sharp teeth or claws that firmly grip the outer diameter of the inserted tube, and an internal O-ring or similar elastomeric seal that creates an airtight barrier against pressure loss. When the tubing, typically nylon or other compatible polymers, is simply pushed into the fitting, the collet automatically engages, while the O-ring compresses around the tube, forming a robust seal. To disconnect, a release collar or button is typically pressed, which retracts the collet, allowing the tube to be easily withdrawn. The primary benefits of this design include significantly \u003cstrong\u003ereduced installation time and labor costs\u003c\/strong\u003e, as complex flaring, crimping, or threading operations are eliminated. This makes assembly and maintenance considerably faster, which is invaluable in high-volume production environments and for field repairs. Furthermore, the reliability of the seal is exceptionally high when tubes are properly prepared (cut squarely and deburred), minimizing the potential for costly leaks. The ability to quickly and easily connect and disconnect tubing also offers flexibility in system design and troubleshooting. While offering substantial advantages, proper tube preparation and adherence to manufacturer guidelines for insertion and removal are crucial to maintain the integrity of the connection. The push-in mechanism is designed to handle the dynamic pressures and vibrations inherent in air brake systems, providing a secure grip and a long-lasting seal, reaffirming its suitability for DOT-regulated applications.\u003c\/p\u003e\u003cp\u003eThe inclusion of a \u003cstrong\u003eswivel mechanism\u003c\/strong\u003e in the design of this male elbow introduces a vital element of flexibility and adaptability for complex pneumatic line routing. A swivel fitting allows one part of the fitting to rotate relative to the other after installation, typically along an axis. In this specific elbow, the pipe thread end is static once tightened, while the push-in tube connection end can freely rotate 360 degrees. The primary benefit of this functionality is the significant reduction of mechanical stress on the air brake tubing. Without a swivel, aligning a fixed elbow to a tube might require twisting the tube or applying bending force, which can lead to premature fatigue, kinking, or even damage to the tubing material over time. The swivel capability enables technicians to position the tubing precisely without inducing torsional stress, ensuring optimal routing paths and preventing undesirable bends or tension. This also greatly simplifies the installation process, as the technician can secure the threaded end first and then adjust the angle of the tube connection to match the desired direction without needing to perfectly align both ends simultaneously. Internally, the swivel mechanism typically incorporates a robust O-ring or similar dynamic seal that maintains airtight integrity even during rotation. This design ensures that despite the rotational freedom, the fitting remains leak-proof under the operating pressures of an air brake system. The enhanced flexibility provided by the swivel contributes directly to the longevity of the entire pneumatic system by minimizing strain on the tubing and connections, making it particularly valuable in environments where vibration and dynamic motion are prevalent, such as in heavy-duty commercial vehicles. This feature underscores the thoughtful engineering behind components designed to withstand the rigors of demanding applications while facilitating ease of installation and maintenance.\u003c\/p\u003e\u003cp\u003eThe \"90-Degree Elbow\" configuration is fundamental to the utility of this fitting. As a directional fitting, the \u003cstrong\u003e90-degree elbow\u003c\/strong\u003e serves the crucial purpose of changing the direction of the pneumatic line by precisely 90 degrees. This is indispensable for routing air brake lines around obstructions, through chassis frames, and within confined spaces commonly found in commercial vehicles. Without such fittings, achieving complex or neat tubing layouts would be challenging, often necessitating sharp bends in the tubing itself, which can restrict airflow, lead to kinking, or weaken the tube material, compromising its integrity. The rigid 90-degree angle ensures a controlled and consistent change in direction, facilitating organized and efficient plumbing. When combined with the swivel functionality, this elbow allows for even greater precision in tube placement, as the fixed 90-degree angle can be rotated to the exact orientation required. The internal bore of the elbow is carefully designed to minimize any significant pressure drop or turbulence in the airflow, ensuring the air brake system operates with optimal efficiency. This specific fitting is a \"Male Elbow,\" meaning the threaded end possesses external threads designed to screw into a female-threaded port. This characteristic is essential for direct connection to manifold blocks, air tanks, air valves, or other components that typically feature female NPT ports. The combination of the fixed 90-degree bend and the rotational freedom of the swivel mechanism provides an unparalleled solution for managing complex pneumatic routing challenges with both precision and adaptability.\u003c\/p\u003e\u003cp\u003eThe precise sizing specifications are paramount for proper system integration and performance. This fitting is designed to interface with two distinct components: a \u003cstrong\u003e3\/8 inch Tube Outer Diameter (O.D.)\u003c\/strong\u003e for the push-in connection and a \u003cstrong\u003e1\/4 inch Pipe Thread\u003c\/strong\u003e for the threaded connection. The 3\/8 inch O.D. tubing is a widely adopted standard size for air brake lines in commercial vehicles, chosen for its optimal balance between airflow capacity and space efficiency. The push-in mechanism of the fitting is meticulously engineered to securely grip and seal around this specific tube diameter, ensuring a leak-proof connection capable of withstanding the operational pressures and vibrations of an air brake system. Compatibility with the correct tube O.D. is critical; using tubing of an incorrect diameter would compromise the integrity of the push-in seal, leading to leaks or disconnections. For the threaded connection, the \u003cstrong\u003e1\/4 inch Pipe Thread\u003c\/strong\u003e refers specifically to the \u003cstrong\u003eNational Pipe Taper (NPT)\u003c\/strong\u003e standard. NPT threads are recognized globally for their ability to create a mechanical, pressure-tight seal without the need for additional gaskets or O-rings at the thread interface itself. This sealing capability is achieved through the tapered design of both the male and female threads, which allows them to wedge together as they are tightened. As the threads engage, the peaks and valleys deform slightly, creating a metal-to-metal seal. To enhance this seal and ensure leak-free performance, especially in high-pressure pneumatic applications like air brakes, the use of a suitable thread sealant, such as PTFE tape (Teflon tape) or pipe thread compound (pipe dope), is strongly recommended. This sealant fills any microscopic gaps between the threads, providing an additional barrier against leakage and facilitating smooth assembly. The correct application of torque during installation is also vital to achieve an effective seal without overtightening, which can damage the threads or the fitting itself. Understanding and adhering to these precise sizing and threading standards are fundamental to ensuring the proper function, safety, and longevity of the pneumatic system. The explicit mention of \"1\/4 NPT\" in the specifications table leaves no ambiguity regarding the thread type, reinforcing the precision in design for seamless integration.\u003c\/p\u003e\u003cp\u003eThe engineering and manufacturing processes behind this Brass DOT Push-In Swivel Male Elbow are testament to advanced industrial precision and stringent quality control. Each component is fabricated from high-quality brass stock through sophisticated machining operations, typically utilizing computer numerical control (CNC) machinery. This allows for the creation of intricate geometries with exceptionally tight tolerances, which are critical for the effective functioning of both the push-in gripping mechanism and the swivel joint. The collet and internal components of the push-in side are designed with precise angles and dimensions to ensure a steadfast grip on the tube while allowing for easy release when required. Similarly, the swivel mechanism relies on finely machined surfaces and robust internal seals, often made of high-performance elastomers, to facilitate smooth rotation without compromising pneumatic integrity. Throughout the manufacturing cycle, rigorous \u003cstrong\u003equality control (QC) measures\u003c\/strong\u003e are implemented. These measures include dimensional inspections using precision gauges and optical comparators to verify adherence to design specifications. Material composition is often confirmed through spectrographic analysis to ensure the brass alloy meets the required standards for strength and corrosion resistance. Post-machining, components undergo thorough cleaning processes to remove any debris or machining oils. During assembly, each fitting is carefully put together, and critical assemblies, particularly those related to sealing and retention, are inspected. Furthermore, batch testing for pressure integrity is a common practice, where a statistical sample of fittings is subjected to pressure cycling and leak detection tests to guarantee that the entire production run meets or exceeds the FMVSS 106 and internal performance standards. This comprehensive approach to engineering and manufacturing ensures that every Brass DOT Push-In Swivel Male Elbow delivered to the customer is a product of superior quality, designed for dependable performance under the demanding conditions of commercial vehicle operation. The robust design accounts for environmental factors prevalent in automotive applications, including wide temperature fluctuations, exposure to road debris, and constant vibration, all while maintaining optimal functional integrity.\u003c\/p\u003e\u003cp\u003eFor the optimal performance and extended longevity of the pneumatic system, adherence to \u003cstrong\u003einstallation best practices and proper maintenance procedures\u003c\/strong\u003e is crucial. Prior to installing the 3\/8 inch O.D. tubing into the push-in fitting, it is imperative to ensure the tube is cut squarely and cleanly, with no burrs or irregularities on the outer diameter. A specialized tube cutter designed for nylon or plastic tubing is recommended to achieve a perfectly perpendicular cut, as an angled or jagged cut can compromise the seal or the grip of the collet. Deburring the tube’s outer edge slightly can facilitate smoother insertion and prevent damage to the internal O-ring. Once inserted, the tube should be pushed firmly until it bottoms out within the fitting, ensuring full engagement of the collet and the O-ring seal. A gentle tug on the tube can confirm a secure connection. For the 1\/4 inch NPT threaded end, proper application of thread sealant is vital. Several wraps of PTFE thread seal tape or a quality liquid pipe thread sealant should be applied to the male threads, following the direction of the threads, to prevent leakage. The fitting should then be threaded into the female port and tightened to the manufacturer's specified torque. Overtightening can damage the threads or deform the fitting, while undertightening can result in leaks. Regular visual inspections of the installed fittings should be conducted as part of routine vehicle maintenance. Technicians should look for any signs of leaks, damage, corrosion, or wear, particularly around the tube connection and the swivel joint. Hoses and tubing should be checked for kinking or abrasion, which can lead to premature failure. In the event of a damaged fitting or tubing, immediate replacement with DOT-compliant components is recommended to maintain system integrity and safety. Proper maintenance and diligent adherence to installation guidelines contribute significantly to the overall reliability and safety performance of the air brake system, minimizing downtime and maximizing operational efficiency.\u003c\/p\u003e\u003cp\u003eThe primary \u003cstrong\u003etarget applications\u003c\/strong\u003e for this Brass DOT Push-In Swivel Male Elbow are concentrated within the heavy-duty transportation sector. This includes its extensive use in \u003cstrong\u003eClass 8 trucks, commercial buses, various types of trailers (e.g., dry vans, flatbeds, tankers), and other specialized commercial vehicles\u003c\/strong\u003e that rely on air brake systems for their fundamental stopping power. In these applications, the demands placed on pneumatic components are extreme, requiring fittings that can withstand continuous vibration, significant temperature fluctuations, exposure to harsh environmental elements such as road salt and debris, and high operational pressures. The product's compliance with FMVSS 106 makes it an essential choice for original equipment manufacturers (OEMs) during vehicle assembly, as well as for aftermarket repair and maintenance operations carried out by fleet workshops and independent service providers. Beyond the core commercial vehicle market, this fitting may also find utility in certain industrial pneumatic systems where similar demands for robustness, reliability, and quick connection technology are present, even if DOT compliance isn't explicitly mandated. The operational significance of such a fitting cannot be overstated; it acts as a critical link in the air brake circuit, enabling the precise and safe transmission of pneumatic signals from the driver's controls to the brake chambers. Any failure in a component like this brass elbow could lead to air leaks, pressure loss, and ultimately, a compromise in braking performance, with potentially catastrophic safety implications. Therefore, the reliable and compliant design of this fitting directly contributes to the safety, efficiency, and longevity of commercial vehicles on roadways worldwide. Its proven design and material integrity underscore its vital role in maintaining the highest standards of operational safety in heavy transportation.\u003c\/p\u003e\u003cp\u003eIn summary, the \u003cstrong\u003eBrass DOT Push-In Swivel Male Elbow\u003c\/strong\u003e with a 3\/8 Inch Tube O.D. and a 1\/4 Inch Pipe Thread represents a pinnacle of precision engineering for critical pneumatic applications. Its superior brass construction ensures longevity and exceptional corrosion resistance. Adherence to \u003cstrong\u003eDOT FMVSS 571.106\u003c\/strong\u003e guarantees uncompromised safety and performance in the most demanding air brake systems. The innovative push-in technology provides rapid, secure, and tool-free installation, while the integrated swivel functionality offers unparalleled flexibility for optimal tube routing and stress reduction. Coupled with the space-saving 90-degree elbow configuration and precise NPT threading, this fitting stands as an indispensable component for maintaining the integrity, reliability, and safety of commercial vehicle air brake systems. Its design not only meets but exceeds the stringent requirements of the heavy-duty transportation industry, making it a trusted choice for engineers and professionals seeking excellence in pneumatic connectivity.\u003c\/p\u003e","brand":"buyersproductscompany","offers":[{"title":"Default Title","offer_id":62449325638003,"sku":"BE90M375P25S","price":8.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/9513\/9187\/files\/BE90M375P375S_profile_630cd1ab-b139-4bcb-a402-adbfc76c730f.jpg?v=1768594801","url":"https:\/\/titustrucksaccessories.com\/products\/be90m375p25s-brass-dot-push-in-swivel-male-elbow-3-8-inch-tube-o-d-x-1-4-inch-pipe-thread","provider":"Titus Trucks Accessories ","version":"1.0","type":"link"}