S-92562A117 4-40 x 1/2" MS16997-11, NAS1352-04-8P Mil. Spec. Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with cadmium plating, extending service life in harsh industrial environments
• Exceptional mechanical strength with 160,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
• Precise Class 3A thread fit ensuring reliable engagement and vibration resistance in critical assemblies
• Standard hex socket drive providing secure tool engagement and reduced risk of stripping during installation
• Fully threaded design offering consistent clamping force along the entire 1/2" length
• Right-hand coarse UNRC threads enabling quick installation and removal in time-sensitive operations
• Military-grade compliance meeting MS16997-11 NAS1352-04-8P specifications for aerospace and defense applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 4-40 thread socket head cap screws deliver exceptional performance where reliability is non-negotiable. The cadmium-plated alloy steel construction provides superior corrosion protection while maintaining the 160,000 psi tensile strength required for high-stress applications. The Class 3A thread fit ensures precise engagement in critical assemblies, minimizing the risk of loosening under vibration. These fully threaded fasteners are particularly valuable in aerospace, automotive, and heavy machinery applications where consistent clamping force and MS16997-11 compliance are essential. The hex socket drive design allows for high torque application in confined spaces, making them ideal for precision equipment and structural components requiring reliable industrial fastening solutions.

Specification Summary & Compliance

This socket head cap screw features precise 4-40 UNRC coarse threads with Class 3A fit tolerance for superior thread engagement. The fastener maintains dimensional accuracy per military specification MS16997-11 where identified as NAS1352-04-8P, ensuring compliance with aerospace and defense standards. Manufactured from alloy steel with cadmium plating surface treatment, the screw delivers consistent performance with Rockwell C39 hardness and meets industry requirements for high-strength precision fasteners in critical applications.