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 6240-01-193-6545
NSN 5990-00-226-1152
NSN 5998-01-561-5944
NSN 6650-00-707-1417
NSN 5920-01-576-9869
NSN 5975-01-528-6566
NSN 6240-01-012-2706
NSN 6645-01-079-9216
NSN 5975-01-054-5964
NSN 2925-01-444-2061
NSN 6220-00-466-2681
NSN 5950-00-466-4215