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 6645-00-061-1885
NSN 6610-01-056-1335
NSN 6645-01-487-8227
NSN 2925-01-041-8201
NSN 6220-01-464-3618
NSN 5905-00-871-9010
NSN 5835-01-099-8702
NSN 6610-00-202-5481
NSN 6130-00-753-7732
NSN 6645-01-654-9639
NSN 6650-00-138-3079
NSN 6105-01-103-7628