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 5996-01-558-7901
NSN 4140-01-107-4597
NSN 6610-01-476-7412
NSN 5895-01-149-0771
NSN 5930-01-021-9012
NSN 5925-01-108-7133
NSN 6105-01-641-8659
NSN 6620-01-328-0926
NSN 5990-01-443-2931
NSN 5905-01-423-1338
NSN 5945-00-522-1845
NSN 5996-00-845-6791