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 4140-00-036-2851
NSN 5925-01-219-2980
NSN 5930-00-912-1274
NSN 6650-00-059-6268
NSN 5905-00-790-2224
NSN 6150-00-484-8976
NSN 6130-00-259-1697
NSN 5835-01-013-9321
NSN 5835-01-369-7837
NSN 5950-01-215-1260
NSN 5855-00-411-8688
NSN 6610-00-814-0569