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 6105-01-647-5773
NSN 5996-00-431-9895
NSN 6610-01-461-8180
NSN 6240-00-281-8417
NSN 6650-01-425-1934
NSN 5905-01-413-7109
NSN 5985-01-527-2473
NSN 5910-01-509-8354
NSN 6130-01-053-6803
NSN 6320-01-450-7513
NSN 6145-00-563-1103
NSN 5910-00-027-7518