MS21042-5 – Self-Locking Nut

Aerospace all-metal self-locking hex nut designed for secure fastening in aircraft structural and system assemblies. It incorporates an all-metal prevailing torque locking feature that provides reliable resistance to loosening without the use of a non-metallic insert, making it suitable for high-temperature and vibration-prone applications. The nut is intended for critical aviation installations where long-term clamp load retention and mechanical integrity are required.

Application:
Aircraft airframe structures, engine accessory installations, landing gear systems, control linkages, and other aerospace fastening points requiring all-metal self-locking hardware

Function:
Provides a threaded fastening connection with integrated all-metal locking resistance, maintaining clamp load and preventing loosening under vibration, thermal cycling, and dynamic mechanical stresses