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 5975-00-412-1333
NSN 6130-01-379-7122
NSN 5960-01-270-5271
NSN 6685-01-589-5781
NSN 6150-00-840-9346
NSN 6685-00-113-1212
NSN 6650-01-136-9194
NSN 7035-01-411-6062
NSN 5950-00-960-7339
NSN 5925-00-660-3892
NSN 5990-00-223-5938
NSN 2925-00-010-9609