S-96345A342 3/8"-24 MS17830-6F, MS21044C6, NASM17830, NASM21044 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking mechanism, ensuring secure fastening in high-motion environments
- Excellent corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial and outdoor applications
- Precision thread engagement with Class 3B fit for reliable, consistent performance and reduced risk of cross-threading
- High-temperature capability up to 250°F, maintaining locking integrity in demanding thermal conditions
- Multiple military specification compliance including MS17830-6F and MS21044C6, guaranteeing aerospace-grade quality
- External hex drive design for easy installation with standard tools while providing secure torque transmission
- Fine UNF thread configuration offering superior clamping force distribution and enhanced load-bearing capacity
Professional Applications & Engineering Value
This 3/8"-24 UNF nylon insert locknut delivers critical vibration resistance in demanding industrial and aerospace applications where secure fastening is non-negotiable. Engineered from 18-8 stainless steel, it provides exceptional corrosion resistance while maintaining structural integrity in harsh environments. The nylon insert locking mechanism creates consistent friction against mating threads, preventing loosening under extreme vibration and thermal cycling conditions. With its Class 3B thread fit and fine UNF thread form, this locknut ensures precise engagement and reliable performance in critical assemblies. Certified to multiple military specifications including MS17830-6F and MS21044C6, it meets the rigorous demands of aerospace, defense, and heavy equipment applications where failure is not an option.
Specification Summary & Compliance
This locknut features Class 3B thread fit with 3/8"-24 UNF fine threads and right-hand thread direction. Manufactured to meet MS17830-6F, MS21044C6, NASM17830, and NASM21044 specifications. Dimensions include 9/16" width and 15/32" height. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, containing no substances of very high concern above threshold limits.
