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 5835-00-198-4936
NSN 5998-01-351-9846
NSN 6105-01-407-1195
NSN 4140-01-047-4093
NSN 6220-01-025-1373
NSN 5910-01-112-7919
NSN 5950-00-901-9949
NSN 5950-00-762-8831
NSN 6130-01-057-1861
NSN 6240-00-076-2752
NSN 5999-00-224-1521
NSN 5925-01-018-9799