S-92200A723 2-56 x 5/16" NAS1352C02-5, 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 for long-term reliability in harsh environments
• Superior thread engagement with Class 3A thread fit ensuring precise, vibration-resistant connections in critical assemblies
• High tensile strength rating of 80,000 psi provides reliable performance under significant mechanical stress
• Optimized drive efficiency through hex socket design with 5/64" drive size for secure tool engagement and reduced cam-out risk
• Standardized compatibility with 2-56 UNC coarse threads and right-hand direction for easy integration into existing inch-system designs
• Regulatory compliance assurance meeting NAS1352C02-05, RoHS 3, and REACH standards for quality and environmental responsibility
• Full-threaded design maximizes grip length and load distribution across the entire 5/16" fastener length

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 18-8 stainless steel socket head cap screws deliver critical performance where corrosion resistance and mechanical reliability are paramount. The passivated finish significantly enhances surface durability while maintaining the material's inherent corrosion-resistant properties. With 2-56 UNC coarse threads and Class 3A thread fit, these fasteners provide superior vibration resistance in machinery, aerospace components, and precision equipment. The hex socket drive configuration allows for high-torque installation in confined spaces, making them ideal for assembly lines and maintenance operations requiring consistent, repeatable fastening performance. These screws effectively address common engineering challenges including galvanic corrosion, thread stripping, and installation accessibility in complex mechanical systems.

Specification Summary & Compliance

This socket head cap screw features precision 2-56 UNC coarse threads with Class 3A thread fit tolerance for superior engagement. Manufacturing complies with NAS1352C02-05 specifications (incorporating Fed. Spec. FF-S-86) ensuring consistent quality and performance. The fastener maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to current substance restriction requirements. Standard inch system dimensions include 5/16" length, 9/64" head diameter, and 0.086" thread diameter for precise integration into engineering designs requiring inch-fastener compatibility.