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 4140-01-144-0387
NSN 6220-01-602-9275
NSN 6110-01-608-3118
NSN 5975-01-351-5249
NSN 5998-01-268-0369
NSN 6130-01-652-1855
NSN 5930-00-160-2648
NSN 5999-01-184-6663
NSN 5925-00-059-4991
NSN 6620-01-519-2628
NSN 4140-01-367-5621
NSN 5855-01-566-7431