Two drive points, at 180 degree angle, have been omitted
A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.
Classification: Nuts of iron or steel
NSN 4140-01-185-0875
NSN 6610-00-100-1195
NSN 6620-01-376-3744
NSN 7035-00-312-3055
NSN 2925-00-137-5120
NSN 5999-01-032-4924
NSN 2925-00-890-3240
NSN 5915-01-550-7308
NSN 6220-00-961-5399
NSN 2925-01-068-3262
NSN 5985-01-546-5484
NSN 6130-00-385-1708