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 5996-01-046-9034
NSN 5985-01-032-1010
NSN 6135-01-432-2785
NSN 5945-00-451-0993
NSN 5950-01-024-8546
NSN 5835-01-647-4859
NSN 5960-00-204-7506
NSN 5945-01-317-8444
NSN 5950-01-217-5289
NSN 5945-01-520-9981
NSN 6610-00-323-8175
NSN 6645-01-237-2568