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 6620-01-181-0303
NSN 6220-01-401-5337
NSN 6110-01-385-9337
NSN 5915-00-406-0846
NSN 5975-01-628-2439
NSN 5950-00-633-8366
NSN 5915-00-832-6976
NSN 5910-01-473-0327
NSN 5930-01-326-6582
NSN 6110-01-554-5026
NSN 6150-00-017-9121
NSN 6150-01-451-4049