P/N: ms21083n7
Category: Fasteners & Hardware
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
| Condition | Stock |
|---|---|
| New Surplus | 64 Available |
The MS21083N7 is a self-locking hexagon nut conforming to Military Standard MS21083. Steel body with nylon insert provides prevailing-torque retention on 7/16-20 UNJF-3B male threads, preventing fastener loosening under vibration. Rated to 250°F service temperature.
Used in aircraft equipment mounting, structural fastening, and control system assemblies where vibration resistance is critical. Install to specified prevailing torque per aircraft maintenance manual. Nylon insert self-locking nuts have reuse limits—follow FAA AC 43.13-1B guidance for replacement intervals.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
The MS21083N7 is a self-locking hexagon nut conforming to Military Standard MS21083. Steel body with nylon insert provides prevailing-torque retention on 7/16-20 UNJF-3B male threads, preventing fastener loosening under vibration.
Aircraft hardware is manufactured to military and aviation specifications. The NUT,SELF-LOCKING,HEXAGON conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.
Aviation hardware is available in various materials including cadmium-plated steel, stainless steel, aluminum alloy, and titanium depending on the application. Contact us for material certification and specifications for the ms21083n7.
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT,SELF-LOCKING,HEXAGON is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.