WASHER - LOCK (Yale YT179261)

A damaged lock washer can lead to fastener loosening under vibration. During assembly, a lock washer resists rotational loosening by embedding its edges into the mating surface. Yale catalog reference YT179261 identifies this aftermarket replacement part. The washer type provides a plain mechanical function of increasing friction between the fastener head and the joint. A common failure consequence is gradual bolt backing out, which may compromise joint integrity. Keeping a lock washer in sound condition helps maintain clamp load in bolted connections. Verify the serial number or application, then call (562) 693-7748.

Part number variants: YT179261, yt179261