S-92562A299 5/16"-18 x 3/4" MS16997-78, NAS1352-5-12P Mil. Spec. Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium-plated alloy steel construction for extended service life in harsh industrial environments
• Exceptional tensile strength rated at 160,000 PSI ensures reliable performance under high-stress applications
• Precision Class 3A thread fit provides superior engagement and vibration resistance compared to standard Class 2A fasteners
• Optimized hex drive system with 1/4" drive size delivers maximum torque transfer and reduces stripping risk
• Full threading design allows for complete engagement along the entire 3/4" length for uniform load distribution
• Enhanced durability with Rockwell C39 hardness maintains structural integrity under repeated loading cycles
• Industry compliance assurance meeting MS16997-78 specifications NAS1352-5-12P for guaranteed quality and reliability

Professional Applications & Engineering Value

This cadmium-plated alloy steel socket head cap screw delivers critical performance advantages for demanding industrial applications. The combination of 160,000 PSI tensile strength and Rockwell C39 hardness ensures reliable operation in high-vibration environments where fastener failure is not an option. The Class 3A thread fit with UNRC coarse threading provides superior resistance to loosening under dynamic loads, making it ideal for machinery, automotive assemblies, and heavy equipment. The cadmium plating offers excellent corrosion protection while maintaining electrical conductivity, essential for grounding applications. With its fully threaded design and standard socket head profile, this fastener ensures uniform stress distribution and easy installation in confined spaces using standard 1/4" hex drivers.

Specification Summary & Compliance

This 5/16"-18 x 3/4" socket head cap screw features precision Class 3A thread fit with UNRC right-hand coarse threading and maintains dimensional accuracy per inch system standards. The fastener complies with MS16997-78 specifications NAS1352-5-12P, ensuring consistent quality and performance. Manufacturing follows industrial standards for alloy steel fasteners with cadmium plating surface treatment, providing reliable performance in various industrial applications while meeting relevant industry specifications for high-strength mechanical fasteners.