A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6145-01-164-4716
NSN 6135-00-985-7846
NSN 5999-01-370-4939
NSN 5935-01-571-5153
NSN 5950-00-526-0658
NSN 5945-01-478-3122
NSN 5915-01-023-2555
NSN 5910-00-008-9626
NSN 2925-01-419-3805
NSN 5915-00-206-0086
NSN 5910-01-287-6627
NSN 6620-01-064-0366