S-92423A146 5/16"-18 x 1" ASME B18.3, NAS1352N5-16, SAE AMS5731, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

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 the passivated A286 stainless steel finish extends service life in harsh environments.
• Precision Class 3A thread fit provides tight tolerances for secure, vibration-resistant assemblies with minimal backlash.
• High-temperature capability of A286 material maintains mechanical properties in demanding aerospace and industrial settings.
• Standard hex socket drive allows for easy installation with common tools, improving assembly efficiency and reducing downtime.
• Full compliance with ASME B18.3, NAS1352N5-16, and SAE AMS5731/5737 guarantees consistent quality and interchangeability.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

This 5/16"-18 x 1" A286 stainless steel socket head cap screw is engineered to address critical challenges in high-performance sectors like aerospace, heavy machinery, and industrial equipment. The A286 material offers excellent creep resistance and strength retention at elevated temperatures, preventing deformation under continuous load. Combined with a passivated finish, it resists oxidation and chemical exposure, reducing maintenance needs in corrosive environments. The Class 3A thread fit and UNRC coarse thread design ensure quick assembly and reliable clamping force, minimizing loosening from vibrations. Ideal for applications requiring 160,000 psi tensile strength and 120,000 psi yield strength, this fastener enhances structural integrity in critical joints, supporting long-term operational safety and reducing lifecycle costs.

Specification Summary & Compliance

This socket head cap screw features a 5/16"-18 UNRC coarse thread with Class 3A fit for precise engagement, and dimensions including a 1" length, 1/4" hex drive, and 15/32" head diameter. It meets ASME B18.3, NAS1352N5-16, and SAE AMS5731/5737 specifications, ensuring adherence to industry standards for manufacturing and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and use.