S-92200A724 4-40 x 3/16" NAS1352C04-3, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws
Mil. Spec. 18-8 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 corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Superior thread engagement and vibration resistance through Class 3A thread fit and UNC coarse threads for reliable fastening
- High tensile strength of 80,000 psi ensures dependable performance under heavy mechanical loads
- Precise hex drive compatibility with 3/32" drive size for secure installation and removal in confined spaces
- Full thread coverage along the 3/16" length provides maximum grip and load distribution
- Compliance with NAS1352C04-3 specifications guarantees aerospace and defense-grade quality assurance
- Environmental regulation adherence with RoHS 3 and REACH compliance for global supply chain compatibility
Professional Applications & Engineering Value
This 18-8 stainless steel socket head cap screw delivers critical reliability in demanding applications where corrosion resistance and high tensile strength are paramount. The passivated finish enhances surface durability against chemical exposure, while the 4-40 UNC coarse threads with Class 3A fit prevent loosening under vibration in machinery, automotive assemblies, and precision equipment. Its compact 3/16" length and hex drive design facilitate installation in tight spaces, making it an optimal choice for aerospace components, industrial automation systems, and electronic enclosures requiring NAS1352C04-3 compliant fasteners that maintain integrity under 80,000 psi stress loads.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 3A thread fit and UNRC coarse threads ensuring consistent engagement. Complies with NAS1352C04-3 (referencing Fed. Spec. FF-S-86) for rigorous aerospace standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming hazardous substance restriction adherence. The fully threaded design and passivated finish align with industrial fastener specifications for repeatable performance.
