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 5915-01-477-4647
NSN 5990-00-146-3534
NSN 5920-00-803-3290
NSN 5835-00-243-0594
NSN 6645-01-513-4782
NSN 5895-00-648-9549
NSN 6110-01-512-1817
NSN 5945-00-635-7263
NSN 5915-00-378-5585
NSN 6320-00-107-5291
NSN 5965-01-406-4164
NSN 5999-01-076-4692