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 5999-01-032-5408
NSN 6645-00-690-0423
NSN 5910-01-205-5007
NSN 5960-01-407-1350
NSN 5950-01-486-9032
NSN 6150-01-332-6832
NSN 5905-01-542-9355
NSN 4140-01-650-3220
NSN 5996-01-362-0550
NSN 5925-00-073-3507
NSN 6145-01-131-1739
NSN 5930-01-620-8359