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 6135-00-315-1187
NSN 5905-01-228-8584
NSN 7035-00-020-2227
NSN 5998-01-439-2929
NSN 5999-00-420-0076
NSN 5930-00-299-7623
NSN 5996-01-448-6814
NSN 5990-01-608-9271
NSN 6220-01-446-6430
NSN 6110-00-761-6256
NSN 5895-01-209-0418
NSN 5996-01-361-4430