NUT LKG (P/N gyn145) - New Surplus

The gyn145 is a self-locking nut conforming to MS21042 specifications for aircraft fastener applications. This prevailing torque design resists loosening under vibration through an integral locking mechanism, eliminating the need for separate lock washers or safety wire. Constructed from steel with cadmium plating for corrosion resistance, it secures airframe brackets, control linkages, and structural assemblies in high-vibration environments.

Installation requires specified torque per the aircraft maintenance manual. Verify compatibility with the applicable Illustrated Parts Catalog before use.

What is the NUT LKG (P/N gyn145)?

The gyn145 is a self-locking nut conforming to MS21042 specifications for aircraft fastener applications. This prevailing torque design resists loosening under vibration through an integral locking mechanism, eliminating the need for separate lock washers or safety wire.

Does the gyn145 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 gyn145 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 gyn145.

Can I order the gyn145 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.