S-90762A136 1/2"-13 Fed. Spec. FF-N-836, MS51971-5, Fed. Spec. QQ-P-35 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Reliable coarse thread engagement with UNC 1/2"-13 threading ensures quick assembly and reduced cross-threading risks in high-vibration settings.
• Precise Class 2B thread fit guarantees consistent torque performance and secure fastening without binding or seizing.
• Standard external hex drive profile allows for easy installation using common wrenches, speeding up maintenance and assembly workflows.
• Compliance with major industry standards including Fed. Spec. FF-N-836 and MS51971-5, ensuring interchangeability and quality assurance.
• Environmental regulation adherence with RoHS 3 and REACH compliance, making it safe for regulated industries and global supply chains.
• Durable dimensional stability with a 3/4" width and 7/16" height, providing robust load distribution and long-term mechanical integrity.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 1/2"-13 UNC hex nut addresses critical challenges like corrosion-induced failure and assembly inefficiency. The 18-8 Stainless Steel material offers excellent resistance to oxidation and chemicals, prolonging service life in marine, chemical processing, and construction environments. Its coarse thread design facilitates faster installation in field operations, while the Class 2B thread fit maintains clamping force under dynamic loads. Compatible with external hex drive tools, it streamlines maintenance in machinery, structural frameworks, and transportation equipment, reducing downtime and replacement costs.

Specification Summary & Compliance

This inch system hex nut features a 1/2"-13 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy. It conforms to Fed. Spec. FF-N-836, MS51971-5, and QQ-P-35 manufacturing standards, ensuring reliability in precision assemblies. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting sustainable and safe usage across global industrial sectors.