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 6105-01-519-3558
NSN 5999-01-262-0444
NSN 5975-01-279-0370
NSN 5960-01-323-6432
NSN 6645-00-664-4665
NSN 6220-00-393-4222
NSN 6145-00-097-9437
NSN 6620-01-575-7879
NSN 5905-01-432-2851
NSN 5950-01-474-5010
NSN 6135-01-477-5259
NSN 5910-01-400-5905