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 5965-00-004-6371
NSN 5998-00-145-7779
NSN 6645-00-763-4852
NSN 5990-00-113-2653
NSN 5965-01-229-4990
NSN 5925-00-796-6113
NSN 5895-00-203-2379
NSN 5915-01-028-1732
NSN 5895-00-595-6803
NSN 5920-00-007-2054
NSN 4140-01-168-5137
NSN 6685-00-316-5178