NUT - LOCK (Mitsubishi MB1009422)

MB1009422: A damaged lock nut can compromise the security of a bolted joint, leading to loosening under vibration. During assembly, a lock nut resists rotation through a built-in mechanical locking feature, such as a nylon insert or deformed threads. The catalog reference for this aftermarket replacement part is Mitsubishi part number MB1009422. This nut is categorized as a hardware nut, serving the general function of securing threaded fasteners. A common failure consequence of a worn lock nut is gradual fastener loosening, which may cause component misalignment or detachment. Keeping a lock nut in sound condition helps maintain consistent clamping force in threaded connections. Verify the serial number or application, then call (562) 693-7748.

Part number variants: MB1009422, mb1009422