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 5925-01-108-8155
NSN 6135-01-483-1501
NSN 6220-01-434-7506
NSN 5998-01-159-8102
NSN 5975-00-608-1186
NSN 5915-01-577-2177
NSN 6240-00-349-8061
NSN 6130-01-101-2582
NSN 5960-01-287-4187
NSN 5975-01-193-0043
NSN 6110-01-486-7447
NSN 6130-00-115-7116