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 5855-00-918-1622
NSN 6145-01-026-0030
NSN 6685-00-824-6875
NSN 5998-01-055-7459
NSN 5855-00-821-7512
NSN 5855-01-483-1350
NSN 5920-01-301-7144
NSN 5905-00-150-8601
NSN 5935-01-497-5024
NSN 6110-00-825-2988
NSN 5835-00-711-3371
NSN 5965-01-081-9101