NUT - LOCK HEX JAM (Yale YT15010600)

A loose or missing lock hex jam nut can allow a threaded fastener to back out under vibration, leading to component separation. This aftermarket replacement part is cross-referenced to Yale part number YT15010600. The nut type is a lock hex jam, which is a thin-profile fastener designed to be tightened against another nut to prevent loosening. Its primary mechanical function is to provide a secondary locking action by jamming against the primary nut. A common failure consequence of a worn or absent jam nut is gradual loosening of the assembly, which may cause misalignment or detachment of attached hardware. This part is a hardware nut category component, typically used in applications where a secure, vibration-resistant threaded joint is required. Verify the serial number or application, then call (562) 693-7748.

Part number variants: YT15010600, yt15010600