S-92200A620 5/16"-18 x 3/8" MS16995-61, NAS1352C5-6, NASM16995, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Superior load-bearing capability with 80,000 psi tensile strength for demanding mechanical applications
• Precise thread engagement with Class 3A fit and UNRC coarse thread design ensuring reliable fastening
• Optimized torque transmission via 1/4" hex drive and standard socket head profile for secure installation
• Full-threaded design providing consistent clamping force across the entire 3/8" length
• Regulatory compliance assurance meeting multiple military and environmental standards including RoHS 3 and REACH
• Right-hand coarse threading enabling quick assembly and disassembly in time-sensitive operations

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw delivers critical performance advantages in industrial fastening applications where corrosion resistance and mechanical reliability are paramount. The combination of passivated finish and stainless steel material effectively counters environmental degradation in manufacturing, marine, and chemical processing equipment. The 5/16"-18 UNRC coarse thread with Class 3A fit provides superior vibration resistance while maintaining precise dimensional stability. Engineered to withstand 80,000 psi tensile loads, this fully threaded fastener ensures uniform stress distribution across assembled components, preventing joint failure in high-stress applications. The 1/4" hex drive design allows for high-torque installation without stripping, making it ideal for machinery, automation systems, and structural assemblies requiring repeated maintenance access.

Specification Summary & Compliance

Manufactured to exacting thread specifications including 5/16"-18 UNRC coarse thread with Class 3A fit for precision engagement. Complies with multiple industry standards: MS16995-61, NAS1352C5-6, NASM16995, and Fed. Spec. FF-S-86. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance. Features fully threaded design with right-hand thread direction and standard socket head profile for consistent performance across industrial applications.