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 6685-00-536-4889
NSN 7035-00-252-7467
NSN 5895-01-627-8536
NSN 5990-01-052-5970
NSN 6650-01-647-7656
NSN 5895-01-498-9445
NSN 6145-01-379-2695
NSN 5975-00-840-5844
NSN 6130-01-436-2312
NSN 6220-01-303-0996
NSN 2925-01-559-5733
NSN 6105-00-228-1160