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.
Classification: Nuts of iron or steel
NSN 6220-01-104-6016
NSN 5998-00-354-2072
NSN 5855-01-244-4978
NSN 6650-00-118-3405
NSN 4140-01-579-1955
NSN 5950-01-416-0895
NSN 5975-01-224-5270
NSN 6320-01-006-6138
NSN 5915-00-239-0716
NSN 5950-01-238-1655
NSN 6135-00-369-2368
NSN 5915-00-682-7799