NUT - HEX JAM (Clark CL6190617)

A loose or missing hex jam nut can compromise fastener security in critical assemblies. The hex jam nut is a thin-profile fastener designed to lock against another nut or provide a positive stop on threaded components. Catalog reference Clark CL6190617 identifies this aftermarket replacement part. A jam nut that fails to hold torque may allow gradual loosening of the connected hardware under vibration. During routine service, a technician might find a jam nut that has backed off, requiring replacement. Verify the serial number or application, then call (562) 693-7748. This part is a hardware nut type, commonly used where space is limited and a standard nut would be too thick.

Part number variants: CL6190617, cl6190617