S-96877A147 2-56 x 7/8" FF-S-92, QQ-P-35, MS51959-10, 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 for extended service life in harsh environments
- High tensile strength of 70,000 psi ensures reliable fastening performance under substantial mechanical loads
- Full threading design provides maximum grip length and uniform load distribution across the entire fastener
- Standard 82° countersink angle enables flush mounting for clean, professional finishes in precision applications
- Phillips No. 1 drive system offers efficient installation with common tools while minimizing cam-out risks
- Class 2A thread fit guarantees consistent assembly compatibility and smooth installation processes
- Comprehensive regulatory compliance including RoHS 3 and REACH ensures environmental responsibility and global market acceptance
Professional Applications & Engineering Value
This 2-56 UNC flat head screw delivers exceptional engineering value through its passivated 18-8 stainless steel composition, providing critical corrosion resistance where moisture or chemicals are present. The fully threaded coarse UNC thread pattern ensures maximum engagement in various materials, while the standard flat head profile with 82° countersink creates seamless surface finishes ideal for aerospace, electronics, and precision machinery applications. The Phillips No. 1 drive facilitates rapid installation in confined spaces, and the 70,000 psi tensile strength maintains joint integrity under vibration and dynamic loads, solving common industrial fastening challenges with reliable, long-term performance.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading (2-56 size) and right-hand thread direction. Complies with multiple industry standards including Fed. Spec. FF-S-92, QQ-P-35, and MS51959-10, with additional conformity to SAE AMS2700 for passivation treatment. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions.
