2 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 5999-01-611-5289
NSN 6135-01-285-8807
NSN 6220-00-842-2483
NSN 5925-01-596-9401
NSN 5998-00-041-7644
NSN 6645-00-102-0015
NSN 6620-01-412-0938
NSN 6650-00-415-3024
NSN 5905-00-019-8440
NSN 6220-01-413-4164
NSN 5835-00-102-2373
NSN 6620-01-024-6073