WASHER - 1/2IN EXTERNAL LOCKING (JLG JL107964)

A damaged locking washer can allow fasteners to loosen under vibration, leading to mechanical failure. This aftermarket replacement part references JLG catalog number JL107964. The washer is a 1/2IN external locking type, which uses teeth on its outer edge to grip the mating surface. Its plain mechanical function is to prevent rotational loosening of a nut or bolt. A concrete generic failure consequence is that a missing or worn locking washer can cause a bolted joint to separate during operation. Keeping a locking washer in sound condition helps maintain clamp load in fastened assemblies. Verify the serial number or application, then call (562) 693-7748. The item ships at approximately 0.01 POUNDS.

Part number variants: JL107964, jl107964