S-92423A577 3/8"-16 x 1 1/2" FF-S-86, NAS1352N6-24, 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 and 120,000 PSI yield strength for reliable performance in high-stress applications
• Superior corrosion resistance through A286 stainless steel material and passivated finish, extending service life in harsh environments
• Precision Class 3A thread fit ensures secure fastening with minimal backlash in critical assemblies
• Optimized drive engagement with 5/16" hex socket design providing maximum torque transmission and strip-out resistance
• Full thread coverage along the 1-1/2" length for uniform load distribution and versatile positioning options
• Consistent mechanical properties with Rockwell C33 hardness maintaining dimensional stability under extreme conditions
• Broad regulatory compliance meeting aerospace (NAS1352N6-24), automotive (SAE AMS5737), and environmental (RoHS 3, REACH) standards

Professional Applications & Engineering Value

This A286 stainless steel socket head cap screw addresses critical engineering challenges in demanding sectors where failure is not an option. The passivated finish combined with the high-temperature resistant A286 alloy provides exceptional protection against corrosion and oxidation in aerospace turbines, automotive powertrains, and industrial machinery. The Class 3A thread fit and UNRC coarse thread design ensure rapid assembly with vibration resistance, while the 5/16" hex drive accommodates high torque applications without cam-out. Engineers specify these fully threaded screws for critical joints requiring 160,000 PSI tensile strength where reliability outweighs cost considerations, particularly in mounting brackets, structural frames, and precision equipment subjected to dynamic loads and thermal cycling.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit per UNRC specifications, ensuring consistent engagement and load distribution. The 3/8"-16 coarse thread provides optimal clamping force in most materials. Compliance includes Fed. Spec. FF-S-86, NAS1352N6-24, and SAE AMS5737 for aerospace and automotive applications. Environmental compliance verified with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming restriction of hazardous substances. Mechanical properties certified to maintain 160,000 PSI tensile strength and 120,000 PSI yield strength throughout service life.