S-92562A312 5/16"-18 x 1 3/4" MS16997-83, NAS1352-5-28P Mil. Spec. Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with cadmium plating, ideal for harsh industrial environments where moisture and chemicals are present.
• Superior tensile strength of 160,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies in critical applications.
• High hardness (Rockwell C39) offers excellent wear resistance, maintaining thread integrity and drive features over repeated use.
• Partially threaded design allows for controlled clamping force, perfect for components requiring precise unthreaded shank sections.
• 1/4" hex drive socket head enables easy installation with standard tools in confined spaces, improving assembly efficiency.
• Compliance with MS16997-83 and NAS1352-5-28P standards guarantees consistent quality and reliability for aerospace and defense applications.

Professional Applications & Engineering Value

This cadmium-plated alloy steel socket head cap screw is engineered to address common industrial challenges, such as vibration loosening and environmental degradation. The Class 3A thread fit and coarse UNRC thread design ensure secure fastening in high-vibration machinery, reducing maintenance needs. With a 160,000 psi tensile strength and Rockwell C39 hardness, it withstands extreme loads in aerospace, automotive, and heavy equipment applications. The cadmium plating provides a durable barrier against corrosion, extending service life in outdoor or chemically aggressive settings. Its partially threaded configuration offers versatility for assemblies requiring precise grip length, making it a reliable choice for engineers seeking durability and compliance with stringent specifications.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit for precise dimensional accuracy, with a 5/16"-18 coarse UNRC thread and 1 3/4" length. It meets MS16997-83 and NAS1352-5-28P standards, ensuring conformity to industrial and aerospace requirements. Manufactured from alloy steel with a cadmium-plated finish, it complies with common industry regulations for performance and safety in demanding environments.