S-98886A733 5/16"-24 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional thermal stability for reliable performance in extreme environments from -50°F to 550°F
• Superior chemical and corrosion resistance thanks to PEEK plastic construction, eliminating rust and degradation
• Precise Class 2B thread fit ensures smooth engagement and secure fastening with mating components
• Fine UNF thread design provides enhanced vibration resistance and improved load distribution
• Standard external hex drive enables easy installation with common tools, reducing assembly time
• Full regulatory compliance with RoHS 3 and REACH standards for safe use in regulated industries
• Lightweight durable alternative to metal nuts, ideal for weight-sensitive applications without sacrificing strength

Professional Applications & Engineering Value

This PEEK plastic hex nut delivers critical solutions for demanding industrial environments where metal fasteners fail. Its high-temperature resistance up to 550°F makes it perfect for automotive, aerospace, and chemical processing equipment exposed to thermal cycling. The UNF fine thread configuration maintains clamping force under vibration, while the corrosion-resistant PEEK material withstands aggressive chemicals, solvents, and moisture. Engineers specify this black standard hex nut for electrical insulation applications and weight reduction initiatives, providing reliable Class 2B thread fit precision without galvanic corrosion concerns in multi-material assemblies.

Specification Summary & Compliance

This 5/16"-24 UNF hex nut features Class 2B thread fit per UNF standards with fine thread spacing. Dimensions include 9/16" width and 7/32" height with right-hand thread direction. Manufactured from PEEK plastic with external hex drive profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence for industrial applications.