A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6220-01-313-3395
NSN 5950-01-326-7667
NSN 5945-00-328-1042
NSN 5895-01-065-1403
NSN 5910-01-150-1826
NSN 6620-00-613-3023
NSN 5960-01-614-8005
NSN 6135-00-835-7211
NSN 5999-00-248-7240
NSN 5895-00-219-9992
NSN 6110-01-234-4564
NSN 5895-00-409-8237