P/N: ms21045-l4
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 | 47 Available |
The MS21045-L4 is an all-metal self-locking hexagon nut with prevailing-torque locking in steel construction. Conforming to MS21045/NASM21045 specifications, it features 1/4-28 UNJF right-hand class 3B internal threads. The self-locking mechanism prevents fastener loosening under vibration without requiring safety wire or additional hardware.
Used on airframe, engine, and systems brackets or clamps where secure, reusable fastening is critical. Install to specified torque and prevailing-torque limits per applicable maintenance manual procedures.
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 MS21045-L4 is an all-metal self-locking hexagon nut with prevailing-torque locking in steel construction. Conforming to MS21045/NASM21045 specifications, it features 1/4-28 UNJF right-hand class 3B internal threads.
Aircraft hardware is manufactured to military and aviation specifications. The NUT 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 ms21045-l4.
Yes, we sell hardware in various quantities from single units to bulk lots. The NUT is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.