S-92200A636 5/16"-18 x 1 3/4" MS16995-69, NAS1352C5-28, NASM16995, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
• Superior thread reliability with Class 3A fit ensuring precise, vibration-resistant fastening in critical applications
• High tensile strength of 80,000 PSI provides dependable load-bearing capacity for demanding mechanical assemblies
• Secure hex drive engagement with 1/4" drive size preventing cam-out and enabling high-torque installation
• Optimized partial threading allows for precise clamp load control while reducing thread galling risks
• Right-hand UNC coarse threads deliver rapid installation and superior resistance to loosening under dynamic loads
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental and safety adherence

Professional Applications & Engineering Value

This socket head cap screw delivers critical performance advantages for industrial equipment, machinery, and precision assemblies where corrosion resistance and thread integrity are paramount. The 18-8 stainless steel composition combined with passivated finish creates a durable barrier against chemical exposure and atmospheric corrosion, significantly extending service life in manufacturing and marine applications. The Class 3A thread fit with UNC coarse threads ensures consistent clamping force distribution while resisting vibration-induced loosening in dynamic systems. The hex drive design provides reliable torque transmission during installation, preventing fastener damage in high-stress applications. These engineered characteristics make this partially threaded fastener ideal for precision alignment in machinery, automotive components, and structural frameworks requiring 80,000 PSI tensile strength reliability.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 3A thread fit and UNC coarse thread profile (5/16"-18). Complies with multiple aerospace and industrial specifications including MS16995-69, NAS1352C5-28, NASM16995, and FF-S-86. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features 1 3/4" length with 1 1/8" minimum thread length and standard socket head profile for consistent performance across industrial applications.