S-94191A112 1/4"-28 Fed. Spec. FF-N-836, MS51968-3 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Grade 8 strength rating for reliable performance in high-stress industrial applications
• Superior corrosion resistance through black-oxide steel construction, extending service life in demanding environments
• Precision thread engagement with Class 2B fit ensuring consistent clamping force and vibration resistance
• Optimized torque transmission through standard external hex drive design for secure installation with common tools
• Enhanced thread integrity with UNF fine threads (1/4"-28) providing better tension distribution in critical assemblies
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Military-grade reliability conforming to Fed. Spec. FF-N-836 and MS51968-3 for mission-critical fastening requirements

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these Grade 8 hex nuts deliver exceptional performance in heavy machinery, automotive systems, and structural assemblies. The black-oxide steel construction provides superior corrosion protection while maintaining the high tensile strength required for critical connections. The 1/4"-28 UNF fine threads with Class 2B thread fit ensure precise engagement with mating components, reducing the risk of cross-threading and providing consistent clamping force in vibration-prone environments. The external hex drive design allows for efficient installation using standard wrenches, making these nuts ideal for maintenance operations and production lines where reliability and quick assembly are paramount. These fasteners meet rigorous military specifications, making them suitable for aerospace, defense, and industrial equipment where failure is not an option.

Specification Summary & Compliance

This hex nut features precise Class 2B thread fit with 1/4"-28 UNF fine threads in right-hand direction, manufactured to exacting dimensional standards (7/16" width × 7/32" height). The component complies with Fed. Spec. FF-N-836 and MS51968-3 manufacturing specifications, ensuring consistent quality and performance. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming the absence of restricted substances for global industrial use. The Grade 8 strength classification guarantees maximum mechanical performance in critical fastening applications.