S-91834A104 8-32 Fed. Spec. FF-N-836, NAS671C8 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 with 18-8 stainless steel construction, ideal for harsh industrial environments
- Precise thread engagement through Class 3B thread fit, ensuring reliable vibration resistance and secure fastening
- Space-saving narrow profile design for applications with limited clearance while maintaining full strength
- Enhanced durability with coarse UNC threads that resist stripping and allow for quicker assembly
- Standardized compatibility meeting Fed. Spec. FF-N-836 and NAS671C8 for consistent performance across industrial systems
- Easy installation with external hex drive design compatible with standard tools
- Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries
Professional Applications & Engineering Value
This 8-32 UNC hex nut delivers exceptional engineering value in demanding applications where precision and reliability are paramount. The 18-8 stainless steel construction provides excellent corrosion resistance, making it suitable for aerospace, automotive, and marine environments where exposure to moisture and chemicals is common. The narrow profile design addresses space-constrained assembly challenges while maintaining full structural integrity. With its Class 3B thread fit and coarse thread spacing, this fastener ensures superior vibration resistance and prevents loosening under dynamic loads. The right-hand thread configuration and external hex drive enable efficient installation in high-volume production settings, reducing assembly time while maintaining consistent torque performance.
Specification Summary & Compliance
This precision inch system fastener features 8-32 UNC threads with Class 3B thread fit for tight tolerance applications. Dimensions include 5/16" width and 7/64" height with coarse thread spacing. Manufactured to Fed. Spec. FF-N-836 and NAS671C8 standards, ensuring consistent quality and performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use.
