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 5930-00-691-4621
NSN 5920-01-336-8332
NSN 6130-00-270-8063
NSN 5999-01-212-3094
NSN 5930-01-535-0988
NSN 5910-00-932-3229
NSN 5835-01-279-2580
NSN 5915-00-238-7315
NSN 6145-01-386-6120
NSN 6130-00-775-3595
NSN 5895-01-268-8035
NSN 2925-01-359-9818