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 5965-01-526-8447
NSN 5910-00-843-3564
NSN 6135-00-548-2765
NSN 5905-00-412-8345
NSN 5990-00-456-8793
NSN 6240-01-064-9727
NSN 6105-00-940-6966
NSN 5999-01-145-8249
NSN 5905-00-480-8071
NSN 5950-01-386-4012
NSN 6645-01-218-3549
NSN 5990-01-324-1204