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 6240-01-100-3696
NSN 5925-00-855-7587
NSN 6220-01-176-6408
NSN 5998-01-080-9433
NSN 5905-01-291-1612
NSN 6650-01-265-2672
NSN 6240-01-642-9552
NSN 5996-00-611-2641
NSN 6150-00-553-7948
NSN 5996-01-025-5683
NSN 6645-00-192-1152
NSN 5998-01-096-3769