NUT - JAM (Nissan NI89-11308-1)

A damaged jam nut can allow threaded fasteners to loosen under vibration, leading to mechanical misalignment or component separation. During inspection, a jam nut’s condition affects the clamping force on a bolt or stud. Keeping a jam nut in sound condition helps maintain secure connections in assemblies where space is limited. This aftermarket replacement part references Nissan as the OE maker and carries the cross-reference part number NI89-11308-1. The jam nut is a thin nut used to lock another nut in place by applying friction against the threads. A common failure consequence is that a loose jam nut may cause the primary fastener to back out, resulting in rattling or detachment of attached parts. Verify the serial number or application, then call (562) 693-7748.

Part number variants: NI89-11308-1, ni89-11308-1, NI89113081, ni89113081