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 5920-01-010-2920
NSN 6135-01-035-1871
NSN 6130-01-618-1138
NSN 5895-01-610-1815
NSN 5975-00-089-9915
NSN 5975-01-310-3518
NSN 5999-01-358-7677
NSN 5925-00-822-4353
NSN 5920-01-343-8674
NSN 5935-00-085-2926
NSN 5965-01-214-6225
NSN 5855-00-688-9954