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 2925-01-424-0235
NSN 5910-01-008-9334
NSN 5998-01-519-9236
NSN 5975-01-074-3082
NSN 6110-00-630-5255
NSN 2925-01-197-7864
NSN 6105-00-463-4260
NSN 5945-01-621-7173
NSN 4140-00-370-2612
NSN 7035-01-027-2259
NSN 5999-00-076-8222
NSN 5950-01-231-4006