S-92423A144 5/16"-18 x 1/2" ASME B18.3, NAS1352N5-8, SAE AMS5731, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws
High-Strength A286 Stainless Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 160,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from A286 stainless steel and passivated finish extends service life in harsh environments.
- Precise Class 3A thread fit provides secure, vibration-resistant connections with minimal backlash.
- High hardness rating (Rockwell C33) enhances durability and wear resistance for repeated use.
- Hex socket drive design allows for easy installation and removal in confined spaces with standard tools.
- Compliance with aerospace and industrial standards (ASME B18.3, NAS1352N5-8, SAE AMS5731/5737) ensures consistent quality and reliability.
- RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
Engineered for demanding industrial and aerospace applications, this 5/16"-18 thread A286 stainless steel socket head cap screw addresses critical challenges like vibration loosening and material fatigue. The coarse UNRC thread spacing and Class 3A fit ensure rapid assembly and secure fastening in high-vibration environments, while the passivated finish provides an added layer of protection against corrosive agents. With a fully threaded design and hex drive compatibility, it simplifies maintenance in tight spaces, making it ideal for machinery, automotive systems, and structural components where reliability and high tensile strength are non-negotiable.
Specification Summary & Compliance
This screw adheres to ASME B18.3 dimensional standards with a Class 3A thread fit for precise tolerances. It meets NAS1352N5-8 and SAE AMS5731/5737 material specifications, ensuring consistent performance. The product is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmentally responsible manufacturing and use in regulated industries.
