S-92200A590 1/4"-28 x 1 1/2" MS16996-26, NAS1351C4-24, NASM16996, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish for extended service life in harsh environments
• Precise thread engagement with Class 3A fit and UNRF fine threads ensuring reliable, vibration-resistant connections
• High-strength performance rated at 80,000 psi tensile strength for demanding industrial applications
• Optimized drive efficiency with 3/16" hex socket design providing secure tool engagement and reduced cam-out risk
• Controlled thread engagement through partially threaded design preventing over-tightening in precision assemblies
• Regulatory compliance assurance meeting MS16996-26, NAS1351C4-24, and environmental standards including RoHS 3 and REACH
• Right-hand thread configuration for standard installation procedures and compatibility with existing equipment

Professional Applications & Engineering Value

This 18-8 Stainless Steel Socket Head Cap Screw delivers exceptional engineering value through its Class 3A thread fit and UNRF fine thread configuration, specifically designed to address vibration-induced loosening in precision machinery and industrial equipment. The partially threaded design ensures controlled engagement depth, preventing damage to sensitive components while maintaining 80,000 psi tensile strength for structural integrity. The passivated finish enhances corrosion resistance in chemical processing, marine, and outdoor applications, while the 3/16" hex drive provides reliable torque transmission in confined spaces. These socket head cap screws are engineered for critical assemblies where vibration resistance, corrosion protection, and precise fastening are paramount to operational reliability.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit precision and UNRF fine thread specifications. Compliant with MS16996-26, NAS1351C4-24, NASM16996, and Fed. Spec. FF-S-86 requirements. Meets environmental regulations including RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant standards. Features 1/4"-28 thread size with 1" minimum thread length and 1-1/2" overall length, engineered for industrial-grade performance and reliability.