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 6130-01-293-4650
NSN 6220-01-153-1937
NSN 5935-01-286-5753
NSN 5905-01-025-8146
NSN 6220-00-240-6443
NSN 6110-01-207-0156
NSN 6650-00-035-9297
NSN 6685-01-519-6041
NSN 6105-01-213-1448
NSN 7035-00-585-2113
NSN 2925-01-394-9658
NSN 6320-01-147-9177