S-92200A112 4-40 x 3/4" MS16995-13, NAS1352C04-12, NASM16995, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance thanks to 18-8 Stainless Steel construction and a passivated finish, ensuring long-term reliability in harsh environments.
• Superior tensile strength of 80,000 psi provides a robust and reliable fastening solution for high-stress industrial applications.
• Precise Class 3A thread fit ensures smooth assembly, secure engagement, and vibration resistance for consistent performance.
• Standard hex socket drive allows for high-torque installation and removal with common tools, reducing assembly time and effort.
• Coarse UNRC thread design facilitates quick installation and provides excellent holding power in a wide range of materials.
• Full compliance with major industry standards including MS16995-13, NAS1352C04-12, and Fed. Spec. FF-S-86, guaranteeing quality and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This 4-40 thread Socket Head Cap Screw is engineered to solve critical fastening challenges in demanding sectors. The 18-8 Stainless Steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it ideal for applications in marine, chemical processing, and outdoor equipment where corrosion resistance is paramount. The 80,000 psi tensile strength and Class 3A thread fit ensure a secure, vibration-resistant connection in machinery, aerospace components, and precision assemblies, reducing the risk of joint failure. The hex drive socket and coarse UNRC threads allow for efficient installation in tight spaces, streamlining production and maintenance workflows while providing reliable, long-lasting performance.

Specification Summary & Compliance

This screw features a 4-40 thread size with a Class 3A thread fit for precision and a coarse thread spacing. It is manufactured in compliance with MS16995-13, NAS1352C04-12, NASM16995, and Fed. Spec. FF-S-86. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety standards.