S-92423A129 10-32 x 2 1/4" ASME B18.3, NAS1351N3-36, SAE AMS5731, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile and yield strength (160,000 psi tensile, 120,000 psi yield) ensures reliable performance in high-stress and demanding industrial applications.
• Superior corrosion resistance from the passivated finish on A286 stainless steel, extending service life in harsh environments.
• Precise Class 3A thread fit with 10-32 UNRF fine threads for secure, vibration-resistant assemblies and reduced risk of loosening.
• High hardness (Rockwell C33) provides excellent wear resistance and durability under repeated use.
• Compliance with major standards including ASME B18.3, NAS1351N3-36, and SAE AMS5731/5737, ensuring consistent quality and interchangeability.
• Hex socket drive (5/32") allows for easy installation and high torque application in confined spaces.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

This A286 Stainless Steel Socket Head Cap Screw is engineered to address critical challenges in aerospace, heavy machinery, and precision equipment where failure is not an option. The 10-32 UNRF fine thread with Class 3A fit ensures minimal backlash and superior clamp load retention, effectively combating vibration-induced loosening in dynamic assemblies. The passivated finish enhances the inherent corrosion resistance of A286 stainless steel, making it ideal for applications exposed to moisture, chemicals, or extreme temperatures. With a partially threaded design and high tensile strength, it provides optimal shear and fatigue resistance, reducing maintenance needs and downtime in critical systems. These screws are trusted in ASME B18.3 and NAS1351N3-36 compliant assemblies, delivering reliability where precision and durability are paramount.

Specification Summary & Compliance

This screw features a 10-32 UNRF fine thread with Class 3A fit for high precision and tight tolerances. It meets ASME B18.3, NAS1351N3-36, and SAE AMS5731/5737 specifications, ensuring consistent manufacturing quality. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial and aerospace use.