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 5965-01-188-7267
NSN 5990-01-222-8570
NSN 6220-01-394-5263
NSN 5855-00-256-5562
NSN 6650-01-100-3185
NSN 6145-01-549-8410
NSN 5905-00-614-3775
NSN 5990-01-254-3197
NSN 6620-01-358-0205
NSN 5960-01-046-5953
NSN 5920-01-361-8835
NSN 5999-01-641-3384