S-92200A657 5/16"-24 x 1 1/2" MS16996-34, NAS1351C5-24, NASM16996, 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 and passivated finish, ideal for harsh environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration.
• Precision Class 3A fine thread (UNRF) provides superior fit and vibration resistance in critical assemblies.
• Standard hex socket drive (1/4") allows for easy installation with common tools and high torque application.
• Fully threaded design offers consistent clamping force along the entire 1-1/2" length.
• Compliance with MS16996-34, NAS1351C5-24, and NASM16996 guarantees consistent quality and interchangeability.
• RoHS 3 and REACH compliant for safe use in regulated industries and global markets.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered for demanding applications where precision and durability are critical. The 18-8 Stainless Steel construction with a passivated finish provides excellent resistance to corrosion, making it suitable for marine, chemical processing, and outdoor equipment. The Class 3A fine UNRF thread ensures a tight, secure fit in tapped holes, reducing the risk of loosening under dynamic loads. Its 80,000 psi tensile strength and fully threaded design deliver reliable performance in machinery, aerospace components, and high-stress assemblies, offering long-term reliability and reduced maintenance needs.

Specification Summary & Compliance

This fastener features a 5/16"-24 UNRF Class 3A fine thread with precise dimensional accuracy as per applicable standards. It meets MS16996-34, NAS1351C5-24, NASM16996, and Fed. Spec. FF-S-86 for consistent manufacturing quality. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are upheld for industrial use.