S-96877A209 4-40 x 3/8" FF-S-92, QQ-P-35, MS51959-15, SAE AMS2700 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat 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 passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 70,000 psi ensures reliable, long-lasting fastening under high-stress conditions
- Fully threaded coarse UNC design provides faster installation and enhanced grip in various materials
- Standard 82° countersink angle and flat head profile delivers a flush, secure fit for streamlined assemblies
- Class 2A thread fit guarantees consistent, precise engagement with standard mating parts
- Phillips No. 1 drive offers easy, efficient installation with common tools, reducing assembly time
- Compliance with multiple industry standards including Fed. Spec. FF-S-92, ensuring quality and interoperability
Professional Applications & Engineering Value
This 4-40 UNC flat head screw is engineered to address critical challenges in industrial and mechanical assemblies where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel material provides excellent protection against oxidation and chemical exposure, making it suitable for applications in marine, automotive, and electronics industries. The fully threaded coarse UNC design ensures rapid installation and robust holding power, while the flat head with 82° countersink allows for a smooth, recessed finish that minimizes protrusion and improves safety. With a high tensile strength of 70,000 psi, this screw reliably secures components in high-vibration or load-bearing scenarios, reducing maintenance needs and enhancing operational longevity.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and adheres to UNC coarse thread standards for consistent performance. It meets strict manufacturing specifications including Fed. Spec. FF-S-92, QQ-P-35, and MS51959-15, ensuring dimensional accuracy and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global supply chains.
