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.
NSN 5999-01-429-5958
NSN 6685-01-089-9606
NSN 6645-00-427-8889
NSN 6685-01-010-1756
NSN 5960-00-409-3221
NSN 6610-01-592-0756
NSN 6130-01-066-9023
NSN 6145-01-266-0854
NSN 5999-01-179-2796
NSN 5855-01-481-0819
NSN 6620-00-140-8644
NSN 2925-00-717-7904