S-92423A147 5/16"-18 x 1 1/4" ASME B18.3, NAS1352N5-20, SAE AMS5731, 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 from the A286 stainless steel material and passivated finish extends service life in harsh environments.
- High hardness (Rockwell C33) provides excellent wear resistance, maintaining thread integrity and drive features over repeated use.
- Precise Class 3A thread fit offers consistent engagement and vibration resistance, ideal for critical assemblies.
- Standard hex drive design allows for easy installation and removal with common tools, improving maintenance efficiency.
- Full compliance with ASME B18.3 and other aerospace standards guarantees quality and interoperability in regulated industries.
- RoHS 3 and REACH compliance ensures environmental safety and global market accessibility for your projects.
Professional Applications & Engineering Value
This 5/16"-18 A286 stainless steel socket head cap screw is engineered to address demanding industrial challenges, such as vibration loosening and corrosion in aerospace, automotive, and heavy machinery. The UNRC coarse thread and Class 3A fit provide secure fastening in high-vibration environments, while the passivated finish enhances durability against moisture and chemicals. With a tensile strength of 160,000 psi and compliance with ASME B18.3 and NAS1352N5-20 standards, it delivers reliable performance in critical applications, reducing downtime and maintenance costs. Ideal for assemblies requiring high strength and corrosion resistance, this screw ensures long-term operational integrity.
Specification Summary & Compliance
This socket head cap screw features a 5/16"-18 UNRC coarse thread with Class 3A fit for precise dimensional accuracy. It meets ASME B18.3, NAS1352N5-20, SAE AMS5731, and SAE AMS5737 specifications, ensuring consistent manufacturing quality. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety standards in global industrial use.
