NUT,SELF-LOCKING,EXTENDED WASHER,H (P/N ms21042-6) - New Surplus

The MS21042-6 is an all-metal self-locking hex nut with an integrated extended washer, manufactured to MS21042/NASM21042 specifications. Made from steel, this prevailing-torque nut resists vibration and maintains clamping force in elevated-temperature aerospace environments without requiring a separate washer. The extended washer distributes load across mounting surfaces, reducing stress concentration on airframe brackets and system mounts.

Installation follows approved aircraft maintenance manual procedures and NASM33588 torque limitations. Verify compatibility with the applicable Illustrated Parts Catalog before use.

What is the NUT,SELF-LOCKING,EXTENDED WASHER,H (P/N ms21042-6)?

The MS21042-6 is an all-metal self-locking hex nut with an integrated extended washer, manufactured to MS21042/NASM21042 specifications. Made from steel, this prevailing-torque nut resists vibration and maintains clamping force in elevated-temperature aerospace environments without requiring a separate washer.

Does the ms21042-6 meet AN/MS/NAS aviation specifications?

Aircraft hardware is manufactured to military and aviation specifications. The NUT,SELF-LOCKING,EXTENDED WASHER,H 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 ms21042-6 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 ms21042-6.

Can I order the ms21042-6 in custom quantities?

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