TM6100X5NA (2004) Briggs and Stratton Trimmer

This is a genuine OEM sourced replacement part for Lawn and Garden equipment. A lock nut is a type of nut that resists loosening when properly threaded onto a bolt. It will have different applications...

This is a nut for your lawn and garden equipment. The diameter is 5/16 inches with a thread size of 18. The nut has a washer like base, with a wide flange to ensure it will not loosen with heavy vibrations.

Capscrew 5/16-18x.625