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 6650-01-019-1550
NSN 5999-01-378-6416
NSN 5965-01-300-9664
NSN 5945-01-629-3979
NSN 5855-00-165-3093
NSN 5910-01-279-5556
NSN 6645-01-091-9363
NSN 7035-01-022-5763
NSN 6320-01-276-4739
NSN 6130-01-353-0965
NSN 6110-00-964-3514
NSN 5905-00-153-4822