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 5920-00-681-1172
NSN 6220-00-470-6828
NSN 4140-00-500-2718
NSN 5985-01-095-8020
NSN 6220-01-060-3336
NSN 5835-01-426-6573
NSN 6645-00-235-4685
NSN 6130-01-325-4814
NSN 6145-01-212-2036
NSN 6650-01-473-7723
NSN 6620-01-646-0105
NSN 6320-01-540-4885