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 5950-01-350-0960
NSN 5905-01-300-9726
NSN 5999-01-634-0576
NSN 5999-00-258-7274
NSN 6645-01-476-8013
NSN 5920-00-144-8031
NSN 5925-00-798-3851
NSN 7035-00-225-6499
NSN 5925-01-481-9252
NSN 5945-00-286-8594
NSN 5930-01-284-6278
NSN 6650-00-801-8298