S-92423A411 2-56 x 3/16" FF-S-86, NAS1352N02-3, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional Tensile Strength – Withstands up to 160,000 psi, providing reliable performance in high-stress applications.
• Superior Corrosion Resistance – Passivated A286 stainless steel finish ensures durability in harsh environments.
• Precision Thread Fit – Class 3A thread fit guarantees tight, secure connections with minimal backlash.
• High Hardness Rating – Rockwell C33 hardness offers excellent wear resistance and long service life.
• Easy Installation – 5/64" hex drive allows for straightforward torque application with standard tools.
• Full Thread Engagement – Fully threaded design ensures maximum grip and load distribution.
• Compliance with Industry Standards – Meets Fed. Spec. FF-S-86, NAS1352N02-3, and SAE AMS5737 for assured quality.

Professional Applications & Engineering Value

This 2-56 thread socket head cap screw is engineered from A286 stainless steel to address critical demands in aerospace, automotive, and industrial machinery. The passivated finish enhances corrosion resistance, making it ideal for environments exposed to moisture and chemicals. With a coarse UNRC thread and Class 3A fit, it ensures rapid assembly and vibration resistance, reducing maintenance needs. The 160,000 psi tensile strength and 120,000 psi yield strength provide a safety margin in high-load scenarios, while the fully threaded design maximizes clamping force. Suitable for precision assemblies, it helps prevent fastener failure and extends equipment lifespan.

Specification Summary & Compliance

This screw features a 2-56 thread size with Class 3A thread fit and UNRC coarse thread for precise dimensional accuracy. It complies with Fed. Spec. FF-S-86, NAS1352N02-3, and SAE AMS5737 manufacturing standards. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental and safety regulations are met.