A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery.
Classification: Nuts of iron or steel
NSN 6620-01-400-2928
NSN 6150-01-423-0505
NSN 5895-01-531-4037
NSN 6150-01-246-3339
NSN 5996-00-125-4570
NSN 2925-01-521-0600
NSN 5990-01-113-0303
NSN 6135-00-896-3187
NSN 6150-01-645-7321
NSN 6645-00-801-8237
NSN 6110-01-147-9273
NSN 6130-00-995-6542