Chromic acid dipped
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 6685-01-495-3712
NSN 6610-01-259-5296
NSN 5855-01-170-8957
NSN 5910-01-461-5713
NSN 6220-00-612-2085
NSN 5985-01-444-3914
NSN 6135-00-299-6918
NSN 5990-01-243-4233
NSN 5855-01-461-8169
NSN 6135-01-195-5343
NSN 2925-01-303-5266
NSN 7035-00-371-7749