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 5999-01-438-0538
NSN 6110-00-935-5351
NSN 5895-00-589-8183
NSN 5945-01-295-8344
NSN 7035-00-043-1325
NSN 6645-01-277-9337
NSN 5910-01-262-6753
NSN 5990-01-386-3040
NSN 5920-00-930-9851
NSN 5960-01-370-4285
NSN 6240-00-099-8606
NSN 6110-01-150-8109