A nut having 12 drive points and 24 sides. The bearing surface may be washer faced. An integral locking feature is incorporated in the design of the head or in the threads.
Classification: Nuts of iron or steel
NSN 6320-01-449-1014
NSN 5855-01-088-8700
NSN 5920-01-182-8745
NSN 5920-01-301-7144
NSN 6645-01-006-6735
NSN 5985-01-571-8941
NSN 5910-00-133-0497
NSN 6320-00-701-0437
NSN 6130-01-578-6832
NSN 5925-00-800-9894
NSN 4140-00-913-4209
NSN 6320-01-481-7322