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 6650-00-937-2184
NSN 6240-01-447-0069
NSN 5930-01-032-4480
NSN 6105-01-550-8842
NSN 6150-01-437-8257
NSN 6145-01-364-0346
NSN 7035-00-166-0339
NSN 6130-01-004-2911
NSN 6130-01-121-7675
NSN 2925-00-041-0439
NSN 5999-01-290-4850
NSN 6135-01-171-9299