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 6135-01-456-2924
NSN 5950-01-237-9445
NSN 6650-01-185-2544
NSN 5935-01-593-1121
NSN 4140-01-223-4079
NSN 6610-00-180-7877
NSN 5945-01-571-6997
NSN 5910-01-124-2049
NSN 4140-00-658-7271
NSN 6150-01-044-4505
NSN 6130-01-618-5800
NSN 7035-00-679-9027