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 2925-01-297-2315
NSN 6150-01-529-9121
NSN 6220-00-111-3188
NSN 5998-01-565-0049
NSN 5998-01-600-3311
NSN 6135-01-394-8087
NSN 5855-01-528-8776
NSN 6145-01-570-7460
NSN 5925-01-368-5442
NSN 5985-01-477-6536
NSN 5960-01-395-9834
NSN 6110-01-654-5721