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 5990-01-231-1214
NSN 6145-01-359-8028
NSN 5920-01-177-3761
NSN 6150-01-198-1561
NSN 6150-01-647-6744
NSN 6685-01-092-2365
NSN 5895-00-067-9058
NSN 5925-01-421-4473
NSN 5999-01-432-1564
NSN 5925-01-326-7226
NSN 6650-00-004-3683
NSN 5999-01-104-6374