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 5895-00-008-6988
NSN 6110-01-381-9287
NSN 6620-01-628-0171
NSN 6650-01-529-6721
NSN 6685-01-314-8478
NSN 5910-00-237-5250
NSN 5975-01-012-2591
NSN 6130-01-425-0882
NSN 5925-00-078-9566
NSN 5920-01-065-1824
NSN 5998-01-163-4459
NSN 6240-00-144-4693