Nyloc nut
Product number:
6974
half x 3/4" UNF, spanner size: 1.1/8", total height: 1/2"
Product Information "Nyloc nut"
MG: MGB, MGB V8, MGC
half x 3/4" UNF, spanner size: 1.1/8", total height: 1/2"