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 6650-01-057-2596
NSN 6150-01-099-3239
NSN 6620-01-244-3425
NSN 4140-00-128-0187
NSN 7035-01-529-4603
NSN 5855-01-149-4110
NSN 7035-01-641-1452
NSN 5975-01-200-4848
NSN 6130-01-182-1557
NSN 5895-01-142-1785
NSN 5998-01-175-7166
NSN 6105-01-473-0268