S-92423A442 4-40 x 3/4" FF-S-86, NAS1352N04-12, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws
High-Strength A286 Stainless Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 160,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance with A286 stainless steel material and passivated finish extends service life in harsh industrial environments.
- Precise Class 3A thread fit provides secure, vibration-resistant connections for critical assemblies requiring minimal play.
- Hex socket drive design allows for high-torque installation and easy access in confined spaces with standard 3/32" tools.
- Full threading along the 3/4" length offers versatile positioning and consistent clamping force across the entire fastener.
- Compliance with major industry standards including Fed. Spec. FF-S-86 and SAE AMS5737 guarantees quality and interchangeability.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This A286 stainless steel socket head cap screw delivers outstanding engineering value in demanding applications where strength and corrosion resistance are critical. The 4-40 UNRC coarse thread with Class 3A fit ensures rapid assembly and reliable performance in vibrating environments, reducing maintenance needs. The passivated finish enhances durability against chemical exposure and oxidation, making it ideal for aerospace, automotive, and heavy machinery components. Its hex drive and fully threaded design provide consistent clamping force and ease of installation in tight spaces, addressing common challenges in precision equipment and structural assemblies where fastener integrity directly impacts operational safety and longevity.
Specification Summary & Compliance
This screw features precise Class 3A thread fit per UNRC standards, ensuring tight tolerances for secure fastening. It complies with Fed. Spec. FF-S-86, NAS1352N04-12, and SAE AMS5737 manufacturing specifications, guaranteeing consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental and safety regulations for industrial use.
