S-91240A511 5/16"-24 Fed. Spec. FF-N-836, MS35649-3314, Fed. Spec. QQ-P-35 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from 18-8 stainless steel construction for extended service life in harsh environments
- Precise Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
- Fine UNF thread profile provides enhanced vibration resistance and superior clamping force retention
- Standard external hex drive design offers excellent torque transmission and compatibility with common tools
- Multiple military and federal specification compliance (FF-N-836, MS35649-3314, QQ-P-35) guarantees quality and reliability
- Full environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries
- Optimized dimensions (9/16" width, 7/32" height) provide ideal balance between strength and space requirements
Professional Applications & Engineering Value
This 5/16"-24 UNF hex nut delivers exceptional engineering value in demanding industrial applications where corrosion resistance and vibration performance are critical. The 18-8 stainless steel material provides excellent protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment applications. The fine UNF thread configuration offers superior resistance to loosening under dynamic loads, while the Class 2B thread fit ensures consistent, reliable performance in high-cycle assembly operations. The external hex drive design facilitates efficient installation and removal, reducing assembly time and labor costs in manufacturing and maintenance environments.
Specification Summary & Compliance
This precision hex nut features 5/16"-24 UNF fine threads with Class 2B thread fit tolerance, manufactured to exacting standards including Fed. Spec. FF-N-836, MS35649-3314, and Fed. Spec. QQ-P-35. The component maintains dimensional accuracy with 9/16" width and 7/32" height specifications, ensuring proper fit and function. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and regulatory adherence for global industrial applications.
