NUT (P/N ms21044n4) - New Surplus

The MS21044N4 is a 1/4-28 UNF self-locking hex nut with a nonmetallic insert designed to prevent loosening from vibration. Constructed from steel, this regular-height nut meets MS/NASM21044 specifications and operates safely up to 250°F. The prevailing torque mechanism grips mating bolts without requiring lock washers or thread-locking compounds.

Used extensively in airframe panel fastening and structural applications where vibration resistance is critical. Installation requires torquing per aircraft maintenance manual specifications to ensure proper clamp load and locking effectiveness.

What is the NUT (P/N ms21044n4)?

The MS21044N4 is a 1/4-28 UNF self-locking hex nut with a nonmetallic insert designed to prevent loosening from vibration. Constructed from steel, this regular-height nut meets MS/NASM21044 specifications and operates safely up to 250°F.

Does the ms21044n4 meet AN/MS/NAS aviation specifications?

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.

What material is the ms21044n4 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 ms21044n4.

Can I order the ms21044n4 in custom quantities?

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.