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 5855-00-688-9954
NSN 2925-01-105-7850
NSN 5920-00-753-5113
NSN 5925-00-081-3823
NSN 5930-01-170-7832
NSN 5855-00-160-2286
NSN 5925-00-006-3539
NSN 6145-01-399-1158
NSN 5930-00-666-2971
NSN 5855-01-314-8335
NSN 5910-00-098-8387
NSN 6150-01-328-1443