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 6645-01-456-1182
NSN 6685-01-412-0767
NSN 5985-01-347-5328
NSN 5990-00-263-1289
NSN 5990-00-816-9289
NSN 6685-01-519-4923
NSN 6135-00-284-1406
NSN 5930-01-165-7156
NSN 6650-01-004-1261
NSN 4140-01-560-8672
NSN 6320-00-841-2279
NSN 6685-00-279-3620