S-92423A142 1/4"-20 x 5" ASME B18.3, NAS1352N4-80, 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 A286 stainless steel material and passivated finish extends service life in harsh industrial environments.
• Precision Class 3A thread fit provides consistent, secure fastening with minimal play, ideal for critical assembly requirements.
• High hardness rating (Rockwell C33) offers excellent wear resistance, maintaining thread integrity through repeated use.
• Standard hex drive (3/16") allows for easy installation and removal with common tools, improving assembly efficiency.
• Compliance with major industry standards including ASME B18.3 and NAS1352N4-80 ensures quality and interoperability in regulated applications.
• RoHS 3 and REACH compliance guarantees environmental safety and material sustainability for global supply chains.

Professional Applications & Engineering Value

This A286 stainless steel socket head cap screw is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and heavy machinery. The partially threaded design with 1/4"-20 UNRC coarse threads provides optimal grip and vibration resistance, preventing loosening under dynamic loads. The passivated finish significantly enhances corrosion resistance, making it suitable for environments exposed to moisture, chemicals, or extreme temperatures. With a high tensile strength of 160,000 psi and yield strength of 120,000 psi, it reliably maintains clamp load in structural applications, reducing maintenance needs and downtime. Its compliance with ASME B18.3 and other standards ensures consistent quality and performance, supporting efficient B2B procurement and integration into complex assemblies.

Specification Summary & Compliance

This socket head cap screw features a 1/4"-20 thread size with Class 3A thread fit for precise, high-strength fastening. It adheres to ASME B18.3, NAS1352N4-80, SAE AMS5731, and SAE AMS5737 manufacturing specifications, ensuring dimensional accuracy and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial markets.