NUT LKG (P/N fn12-02) - New Surplus

The fn12-02 is a self-locking hex nut manufactured from steel for aircraft fastening applications. This nut maintains clamp load under vibration and movement, preventing loosening during flight operations and maintenance cycles. Installed on threaded studs and bolts throughout airframe structures, control surfaces, and engine mounts, it conforms to aerospace standards similar to MS21042.

Installation requires specified torque values and inspection per aircraft maintenance manuals. The self-locking feature eliminates the need for safety wire or additional locking devices on many airframe connections.

What is the NUT LKG (P/N fn12-02)?

The fn12-02 is a self-locking hex nut manufactured from steel for aircraft fastening applications. This nut maintains clamp load under vibration and movement, preventing loosening during flight operations and maintenance cycles.

Does the fn12-02 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT LKG conforms to its applicable AN (Air Force-Navy), MS (Military Standard), or NAS (National Aerospace Standard) specification. Contact us for specific specification details.

What material is the fn12-02 manufactured from?

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 fn12-02.

Can I order the fn12-02 in custom quantities?

Yes, we sell hardware in various quantities from single units to bulk lots. The NUT LKG is available in: New Surplus. Submit an RFQ for volume pricing or call (904) 998-9101 for quantity availability.