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 6105-01-012-4176
NSN 7035-01-294-1165
NSN 5920-01-448-5436
NSN 5895-01-462-0648
NSN 5905-01-048-5357
NSN 5999-01-574-2431
NSN 5950-01-505-6605
NSN 5975-00-678-5958
NSN 2925-00-048-7172
NSN 6620-01-163-8808
NSN 5996-00-183-9851
NSN 6150-00-161-6865