S-92423A413 2-56 x 1/4" FF-S-86, NAS1352N02-4, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio with 160,000 psi tensile strength and 120,000 psi yield strength, providing reliable performance in high-stress applications
• Superior corrosion resistance through A286 stainless steel construction and passivated finish, extending service life in harsh environments
• Precision thread engagement with Class 3A fit and UNRC coarse threads ensuring secure fastening and vibration resistance
• Optimized drive performance featuring hex socket drive (5/64") for high torque application and reduced stripping risk
• Consistent mechanical properties with Rockwell C33 hardness maintaining dimensional stability under load
• Full thread coverage along the 1/4" length for maximum grip and load distribution
• Regulatory compliance assurance meeting multiple industry standards for quality and environmental safety

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these A286 stainless steel socket head cap screws solve critical fastening challenges where high tensile strength and corrosion resistance are paramount. The passivated finish provides an additional protective layer against chemical exposure and environmental degradation, while the Class 3A thread fit with UNRC coarse threads ensures precise engagement and vibration resistance in dynamic loading conditions. Ideal for aerospace, automotive, and heavy machinery applications, these 2-56 thread screws with hex drive compatibility offer reliable performance in confined spaces where access is limited. The combination of 160,000 psi tensile strength and Rockwell C33 hardness makes them suitable for high-temperature environments and critical structural assemblies requiring long-term reliability.

Specification Summary & Compliance

This socket head cap screw features precision 2-56 UNRC coarse threads with Class 3A fit for superior dimensional accuracy. Manufacturing complies with Fed. Spec. FF-S-86, NAS1352N02-4, and SAE AMS5737 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global markets. The right-hand thread direction and standard socket head profile provide consistent performance with industry-standard tooling.