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 5985-01-552-6389
NSN 6320-01-381-7023
NSN 6105-01-599-5085
NSN 6135-00-112-8637
NSN 4140-01-445-6656
NSN 6135-01-164-3561
NSN 6130-01-123-9041
NSN 5998-01-508-7664
NSN 5910-00-904-7782
NSN 5950-01-019-7402
NSN 5895-01-614-7544
NSN 2925-01-157-9204