A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
Classification: Nuts of iron or steel
NSN 6320-01-039-5891
NSN 5905-01-124-0245
NSN 6135-00-080-9176
NSN 2925-01-535-3167
NSN 7035-01-241-8869
NSN 5910-00-853-2212
NSN 6220-00-541-8515
NSN 6645-01-383-1083
NSN 5895-01-008-4454
NSN 5905-01-168-5859
NSN 6105-00-275-0826
NSN 4140-00-209-7965