WASHER - LOCK (JLG JL4761600-100)

JL4761600-100: A worn lock washer can allow threaded fasteners to loosen under vibration. This aftermarket replacement part cross-references JLG part number JL4761600-100. The washer type is a lock washer, which resists rotational loosening by creating spring tension between the fastener head and the mating surface. A common failure consequence is that a missing or collapsed lock washer leads to fastener back-out, causing assembly separation. During routine service, a lock washer should be replaced if it is flattened or cracked. Verify the serial number or application, then call (562) 693-7748.

Part number variants: JL4761600-100, jl4761600-100, JL4761600100, jl4761600100