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 5905-01-573-5211
NSN 6620-01-548-9993
NSN 6320-01-119-3935
NSN 5910-01-421-4153
NSN 5835-01-540-4995
NSN 5945-00-824-9998
NSN 5905-00-335-3460
NSN 6220-01-147-5320
NSN 5915-01-406-4637
NSN 5998-01-178-4166
NSN 6685-00-171-9815
NSN 5960-01-599-9821