S-92423A110 4-40 x 1/8" FF-S-86, NAS1352N04-2, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 160,000 psi tensile strength and 120,000 psi yield strength, ideal for high-stress applications.
• Superior corrosion resistance thanks to A286 stainless steel material and passivated finish, ensuring long-term reliability in harsh environments.
• Precise thread engagement with Class 3A fit and UNRC coarse threads, providing secure fastening and reduced risk of cross-threading.
• Easy installation and removal using a standard 3/32" hex drive and socket head design, minimizing tool slippage and assembly time.
• Compliance with stringent industry standards including Fed. Spec. FF-S-86, NAS1352N04-2, and SAE AMS5737, guaranteeing consistent quality and performance.
• Environmental and regulatory safety with RoHS 3 and REACH compliance, making it suitable for global industrial and aerospace use.
• Fully threaded design for uniform load distribution and versatile fastening across various material thicknesses.

Professional Applications & Engineering Value

This 4-40 thread socket head cap screw is engineered to address critical challenges in demanding sectors like aerospace, automotive, and heavy machinery. Crafted from A286 stainless steel with a passivated finish, it combats corrosion and oxidation in extreme conditions, reducing maintenance costs and downtime. The UNRC coarse threads and Class 3A fit ensure rapid, reliable assembly with minimal galling, while the 160,000 psi tensile strength and Rockwell C33 hardness provide exceptional resistance to vibration and fatigue. Ideal for applications requiring high-strength, precision fasteners, it supports structural integrity in engines, control systems, and industrial equipment, enhancing overall safety and longevity.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and consistent performance. It meets Fed. Spec. FF-S-86, NAS1352N04-2, and SAE AMS5737 specifications, ensuring compatibility with industry requirements. Additionally, it is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its safety for use in regulated environments without hazardous substances.