Use j79-15 eng
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 6645-00-848-8490
NSN 5835-01-199-5902
NSN 5975-01-216-9702
NSN 5895-01-657-1530
NSN 5905-01-149-4620
NSN 5915-00-528-1192
NSN 5910-01-465-0984
NSN 5905-01-578-8976
NSN 4140-01-599-2161
NSN 6220-01-350-6929
NSN 6320-01-311-3286
NSN 5855-01-658-4510