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 5998-01-072-9109
NSN 5910-00-267-5381
NSN 5950-01-146-9193
NSN 6610-01-596-9883
NSN 5990-01-351-4621
NSN 5999-01-327-5740
NSN 5895-00-086-7329
NSN 5910-01-270-0286
NSN 6135-01-168-2944
NSN 5960-01-431-2487
NSN 5855-01-510-4564
NSN 5855-01-152-3470