WASHER - LOCK (JLG JL4761600)

A damaged lock washer can compromise fastener security in mechanical assemblies. This aftermarket replacement part references JLG catalog number JL4761600. The washer type provides a locking function by creating tension between the fastener head and the mating surface. A loose fastener due to a worn or missing lock washer may lead to component separation or misalignment. During routine service, a lock washer should be inspected for deformation or loss of spring tension. Verify the serial number or application, then call (562) 693-7748. The part is a hardware washer used to prevent rotational loosening of threaded fasteners.

Part number variants: JL4761600, jl4761600