S-92562A276 1/4"-20 x 1 1/2" MS16997-64, NAS1352-4-24P Mil. Spec. Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 160,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Corrosion-resistant cadmium plating on alloy steel provides enhanced durability and longevity in harsh industrial environments.
• Precision Class 3A thread fit offers superior engagement and vibration resistance, minimizing loosening in critical assemblies.
• Hex socket drive design with 3/16" drive size allows for secure tool engagement and high torque application without slippage.
• Partially threaded shank enables precise clamping force concentration where needed, improving joint integrity.
• High Rockwell C39 hardness maintains thread form and head integrity under repeated use and high loads.
• Compliance with MS16997-64/NAS1352-4-24P specifications guarantees consistency and reliability for aerospace and demanding industrial applications.

Professional Applications & Engineering Value

This cadmium-plated alloy steel socket head cap screw is engineered to address critical fastening challenges in high-vibration and high-load environments. Its 1/4"-20 UNRC coarse thread with Class 3A fit ensures rapid assembly and superior resistance to loosening, making it ideal for machinery, automotive, and aerospace applications. The hex socket drive facilitates easy installation in confined spaces, while the 160,000 psi tensile strength and robust Rockwell C39 hardness prevent stripping and deformation under extreme conditions. The cadmium plating offers excellent corrosion protection, extending service life in outdoor or chemically aggressive settings, providing engineers with a dependable solution for maintaining structural integrity and reducing maintenance frequency.

Specification Summary & Compliance

This screw features a 1/4"-20 coarse thread with Class 3A precision tolerance for tight fit and minimal backlash. It adheres to UNRC thread standards and is manufactured to meet MS16997-64 specifications (identified as NAS1352-4-24P), ensuring consistency with aerospace and industrial requirements. The product complies with common industry regulations for material and performance, though specific RoHS or REACH declarations should be verified per batch. Dimensions include a 1-1/2" length, 3/8" head diameter, and 1" minimum thread length, providing reliable fastening in accordance with standardized engineering practices.