Replacement Hex Lock Nut for Murray 1960576SM, Hex Lock Esna Lig Keep equipment assembled and functioning with this replacement hex lock nut designed for compatibility with Murray model 1960576SM. The part has a hex profile and locking feature to secure threaded connections where vibration or motion could cause loosening. Key benefits Restores secure connections: hex shape plus locking feature helps maintain tightness on threaded assemblies. Direct compatibility: specified for use with Murray 1960576SM to the original nut and restore proper fit. Simple installation: standard hex profile fits common wrenches and sockets for fast replacement during routine maintenance. Practical maintenance part: useful when the original nut is lost, damaged, or worn and a likeforlike replacement is needed. Important attributes Function: hex lock nut designed to lock onto a threaded shaft and resist loosening under load and vibration. Compatibility: replacement for Murray 1960576SM. Form factor: hex head for wrench or socket installation; locking style to improve retention. Application scope: intended for use on equipment and assemblies that require a locking hex nut matching the Murray 1960576SM specification. Typical use scenarios Replacing a lost or damaged nut during lawn mower or small engine maintenance to restore the original fastening method. Securing pulleys, shafts, or spindle assemblies where vibration can cause conventional nuts to back off. Routine equipment rebuilds or part refreshes where the original locking nut must be replaced with a compatible piece. What you can expect A straightforward replacement part that matches the hex lock function and fit associated with the 1960576SM application. Ease of installation using common hand tools and minimal downtime when performing repairs. Compatibility note Intended as a replacement for the Murray 1960576SM item. Verify fit with your specific model and application prior to installation.