S-90762A118 5/16"-18 Fed. Spec. FF-N-836, MS51971-2, Fed. Spec. QQ-P-35 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for extended service life in harsh environments
• Reliable coarse thread engagement with UNC 5/16"-18 threads and Class 2B fit for quick assembly and vibration resistance
• Heavy-duty performance through standard hex profile and external hex drive for high-torque applications
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
• Precision manufacturing conforming to Fed. Spec. FF-N-836 and MS51971-2 for consistent quality
• Optimal dimensional stability with 1/2" width and 17/64" height for perfect fit in inch-system assemblies
• Right-hand thread design for standard installation procedures and maintenance compatibility

Professional Applications & Engineering Value

This 5/16"-18 UNC hex nut delivers exceptional engineering value through its 18-8 stainless steel composition, providing critical corrosion resistance for industrial equipment, marine applications, and outdoor machinery. The Class 2B thread fit ensures smooth engagement with mating components while maintaining vibration resistance in high-stress environments. With its coarse thread spacing and external hex drive design, this heavy-duty fastener enables rapid assembly in manufacturing lines and maintenance operations. The nut's compliance with Fed. Spec. FF-N-836 and MS51971-2 guarantees consistent performance in aerospace, automotive, and construction applications where reliability is paramount.

Specification Summary & Compliance

Manufactured to precise Class 2B thread fit tolerances with UNC coarse threads (5/16"-18) in right-hand direction. Meets Fed. Spec. FF-N-836, MS51971-2, and Fed. Spec. QQ-P-35 manufacturing standards. Dimensions: 1/2" width, 17/64" height. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.