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 7035-01-243-8523
NSN 6610-00-705-9502
NSN 5835-01-478-9428
NSN 5945-01-484-1184
NSN 5855-01-067-4129
NSN 6220-01-587-3962
NSN 6145-01-517-6451
NSN 6150-00-756-2520
NSN 5905-00-213-8015
NSN 6110-01-486-4469
NSN 5835-00-411-0591
NSN 6220-01-502-9451