S-92423A103 0-80 x 1/4" FF-S-86, NAS1351N00-4, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 160,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance from the passivated A286 stainless steel finish prolongs service life in harsh environments, minimizing maintenance and replacement costs.
• Precise Class 3A thread fit with UNRF fine threads provides secure, vibration-resistant connections, enhancing assembly integrity and reducing loosening over time.
• High hardness rating (Rockwell C33) offers excellent wear resistance, maintaining thread integrity and drive engagement through repeated use.
• Compliance with major industry standards including Fed. Spec. FF-S-86, NAS1351, and SAE AMS5737 ensures consistent quality and interoperability in aerospace and industrial systems.
• Hex socket drive design allows for easy installation and removal with standard tools, improving assembly efficiency and reducing labor time.
• RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence, supporting sustainable and responsible manufacturing practices.

Professional Applications & Engineering Value

This A286 stainless steel socket head cap screw is engineered to address critical challenges in precision assemblies where strength, corrosion resistance, and thread reliability are paramount. The UNRF fine thread with Class 3A fit ensures tight tolerances and minimal backlash, making it ideal for aerospace, automotive, and high-performance machinery applications. The passivated finish enhances durability against oxidation and chemical exposure, while the high tensile strength and Rockwell C33 hardness prevent stripping and deformation under dynamic loads. By meeting stringent standards like NAS1351 and SAE AMS5737, it provides dependable performance in environments requiring precise fastening and long-term operational stability.

Specification Summary & Compliance

This fastener features a 0-80 UNRF fine thread with Class 3A thread fit for high precision, a 1/4" length, and a hex drive size of 0.050". It complies with Fed. Spec. FF-S-86, NAS1351N00-4, and SAE AMS5737 manufacturing specifications, ensuring dimensional accuracy and performance consistency. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for industrial use.