S-92423A151 5/16"-18 x 2 3/4" ASME B18.3, NAS1352N5-44, SAE AMS5731, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength for demanding applications with 160,000 psi tensile and 120,000 psi yield strength, ensuring reliable performance under high stress.
• Superior corrosion resistance provided by the A286 Stainless Steel material and passivated finish, extending service life in harsh environments.
• High durability and wear resistance due to Rockwell C33 hardness, maintaining structural integrity over repeated use.
• Precise and secure fastening with Class 3A thread fit and UNRC coarse thread, reducing the risk of loosening in high-vibration settings.
• Easy installation and removal using a standard hex drive (1/4"), allowing for efficient assembly with common tools.
• Compliance with industry standards including ASME B18.3, NAS1352N5-44, and SAE AMS5731/5737, ensuring consistent quality and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for industrial use.

Professional Applications & Engineering Value

This A286 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in high-stress industrial applications, such as aerospace, automotive, and heavy machinery. The passivated finish enhances corrosion resistance, preventing failure in humid or chemically aggressive environments. With a tensile strength of 160,000 psi and Class 3A thread fit, it ensures tight, reliable connections that withstand vibration and dynamic loads. The coarse UNRC threads facilitate quick assembly, reducing downtime in production lines. Ideal for engineered fastening solutions, it meets rigorous standards like ASME B18.3 and SAE AMS5731, providing peace of mind for engineers prioritizing safety and longevity in their designs.

Specification Summary & Compliance

This screw features precise Class 3A thread fit with UNRC coarse threads (5/16"-18) and a partially threaded design for optimal grip. Dimensions include a 2-3/4" length and 1.13" minimum thread length, adhering to ASME B18.3, NAS1352N5-44, and SAE AMS5731/5737 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring no restricted substances are used, for safe and sustainable industrial applications.