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 6620-01-633-8443
NSN 6110-01-034-1687
NSN 5998-01-440-8837
NSN 5985-00-842-9944
NSN 6130-01-580-8841
NSN 6150-01-411-5216
NSN 6130-01-317-9238
NSN 7035-00-299-7150
NSN 5905-01-222-0927
NSN 6620-01-026-0346
NSN 5920-00-025-7895
NSN 6650-01-138-1712