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 5960-01-012-6765
NSN 5905-01-219-3396
NSN 6685-01-082-5528
NSN 6145-01-168-9296
NSN 5996-00-111-8179
NSN 5999-01-421-3388
NSN 6240-01-142-2963
NSN 5945-01-017-4732
NSN 2925-01-112-6822
NSN 2925-01-629-9416
NSN 5855-01-451-2992
NSN 6150-01-053-3713