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 5960-01-215-0992
NSN 5920-01-589-2844
NSN 5990-01-110-3644
NSN 5835-01-460-6054
NSN 5905-00-335-0644
NSN 5835-01-432-8801
NSN 5985-00-466-3574
NSN 6610-00-225-2829
NSN 6105-00-045-7930
NSN 6620-01-222-2136
NSN 6320-00-322-3460
NSN 5950-00-242-6126