Two drive points, at 180 degree angle, 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.
NSN 6320-00-701-0437
NSN 6150-01-158-0030
NSN 5990-01-142-0538
NSN 6685-01-445-0243
NSN 5998-01-483-5881
NSN 6685-00-069-6777
NSN 4140-00-258-3612
NSN 6135-01-132-6310
NSN 5835-01-546-2008
NSN 4140-01-143-5397
NSN 6135-01-604-8739
NSN 6240-00-356-6908