S-92562A143 1/4"-28 x 7/8" MS16998-44, NAS1351-4-14P Mil. Spec. Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 160,000 PSI ensures reliable performance under extreme loads, reducing the risk of fastener failure in critical applications
• Superior corrosion resistance provided by cadmium plating extends service life and maintains integrity in harsh industrial environments
• Precision Class 3A thread fit delivers tighter tolerances for secure fastening and vibration resistance in high-performance assemblies
• Fine UNRF thread configuration offers enhanced clamping force distribution and improved load-bearing capabilities
• Hex socket drive design allows for high-torque installation and removal while minimizing head protrusion in space-constrained applications
• Full threading along the 7/8" length provides maximum engagement flexibility and uniform stress distribution
• Certified compliance with MS16998-44 and NAS1351-4-14P standards guarantees consistent quality and reliability for aerospace and defense applications

Professional Applications & Engineering Value

This cadmium-plated alloy steel socket head cap screw delivers critical engineering solutions where high tensile strength and precision threading are paramount. The Class 3A UNRF fine thread configuration provides superior vibration resistance and clamping force in dynamic load applications, while the hex socket drive enables efficient installation in confined spaces common to machinery, aerospace assemblies, and heavy equipment. The cadmium plating offers essential corrosion protection for extended service life in challenging environments. Meeting MS16998-44 specifications and NAS1351-4-14P standards, these fasteners are engineered for reliability in critical applications where failure is not an option.

Specification Summary & Compliance

This socket head cap screw features precision Class 3A thread fit with 1/4"-28 UNRF fine threading and right-hand orientation. The fastener maintains Rockwell C39 hardness and achieves 160,000 PSI tensile strength through alloy steel construction with cadmium plating. Manufacturing complies with MS16998-44 specifications where identified as NAS1351-4-14P, ensuring consistent dimensional accuracy and performance reliability for industrial and aerospace applications.