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 5999-01-377-0660
NSN 5930-01-358-8175
NSN 5930-00-261-8219
NSN 5960-01-601-5565
NSN 6105-01-309-8990
NSN 5950-01-082-9476
NSN 5975-00-719-9793
NSN 6220-00-112-0629
NSN 5985-01-270-7632
NSN 5915-01-138-1812
NSN 5920-01-277-2099
NSN 5975-01-025-9990