S-92200A651 5/16"-24 x 3/4" MS16996-31, NAS1351C5-12, NASM16996, 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
- Superior corrosion resistance with 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
- Exceptional tensile strength of 80,000 psi ensures reliable, high-load performance in demanding applications.
- Precise Class 3A thread fit with 5/16"-24 UNRF fine thread for secure, vibration-resistant connections.
- Convenient 1/4" hex drive in a standard socket head allows for easy installation and high torque application.
- Full compliance with MS16996 and NAS1351 standards guarantees consistent quality and dimensional accuracy.
- RoHS 3 and REACH compliant construction meets stringent environmental and safety regulations.
- Right-hand fine thread design provides excellent holding power and fine adjustment capability.
Professional Applications & Engineering Value
This 18-8 stainless steel socket head cap screw is engineered to solve critical challenges in precision assembly and machinery. The passivated finish significantly enhances corrosion resistance, making it suitable for applications exposed to moisture, chemicals, or outdoor elements. Its 5/16"-24 UNRF fine thread and Class 3A fit ensure minimal backlash and superior clamping force, which is vital for maintaining alignment in high-vibration environments like automotive, aerospace, and industrial equipment. The combination of 80,000 psi tensile strength and a reliable 1/4" hex drive socket head provides the durability and ease of installation needed for repetitive maintenance and high-stress fastening tasks, reducing downtime and improving operational efficiency.
Specification Summary & Compliance
This fastener features a 5/16"-24 UNRF fine thread with a precision Class 3A thread fit for tight tolerances. It is manufactured to meet MS16996, NAS1351, and Fed. Spec. FF-S-86 standards, ensuring dimensional consistency and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and health safety requirements.
