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 5950-01-143-7950
NSN 5910-01-585-2249
NSN 6220-01-309-1803
NSN 6240-01-131-8078
NSN 6150-01-135-6058
NSN 6150-01-173-2971
NSN 6620-01-397-8683
NSN 5895-00-351-7463
NSN 5945-01-175-1649
NSN 5985-01-614-7070
NSN 5960-01-351-5074
NSN 5960-01-274-7628