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.
NSN 7035-01-255-2332
NSN 6150-00-381-5142
NSN 6240-00-551-3144
NSN 5910-01-309-2363
NSN 5999-00-264-5079
NSN 5920-01-113-7263
NSN 5945-00-409-9575
NSN 5895-00-144-0250
NSN 5835-00-257-2852
NSN 5930-01-634-0659
NSN 5895-00-682-4395
NSN 5975-00-925-9570