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 5960-01-178-3845
NSN 5998-01-183-5131
NSN 6320-01-029-2196
NSN 5935-00-279-9005
NSN 6240-01-511-1009
NSN 7035-01-501-5938
NSN 5960-01-132-2975
NSN 6145-00-011-2390
NSN 5998-01-224-6642
NSN 6110-00-411-5830
NSN 5855-00-631-4565
NSN 5960-01-439-3731