S-92101A104 5/8"-18 Fed. Spec. FF-N-836, MS35691-55 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 thanks to 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
- Space-saving design with a thin profile (3/8" height), ideal for applications with limited clearance.
- Precise and secure fastening achieved with a Class 2B thread fit and UNF fine thread, reducing the risk of loosening under vibration.
- Easy installation and removal facilitated by the external hex drive style, compatible with standard tools.
- Guaranteed quality and interchangeability through compliance with Fed. Spec. FF-N-836 and MS35691-55 standards.
- Enhanced durability and consistent performance from the right-hand, fine thread design, suitable for high-stress assemblies.
- Environmentally responsible manufacturing with full RoHS 3 and REACH compliance, meeting global regulatory requirements.
Professional Applications & Engineering Value
This 5/8"-18 UNF thin hex nut is engineered to address critical challenges in precision assemblies where corrosion resistance, space constraints, and vibration are concerns. Made from 18-8 Stainless Steel, it effectively combats rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor equipment. The fine thread spacing and Class 2B thread fit provide a tighter, more reliable seal than coarse threads, minimizing back-off in dynamic loads. Its thin hex nut profile allows for use in compact designs without sacrificing strength, while the external hex drive ensures quick, tool-friendly installation. Commonly specified in aerospace, automotive, and heavy machinery under standards like FF-N-836, this nut delivers consistent performance in demanding industrial applications.
Specification Summary & Compliance
This hex nut features a 5/8"-18 UNF thread with fine spacing and a Class 2B thread fit for precise dimensional accuracy. It adheres to Fed. Spec. FF-N-836 and MS35691-55, ensuring manufacturing consistency. Dimensions include a width of 15/16" and height of 3/8". The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards.
