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 6240-00-930-4206
NSN 6145-00-627-9010
NSN 6645-00-464-6375
NSN 6685-00-505-8585
NSN 5935-01-118-5740
NSN 5960-01-165-1956
NSN 6110-01-656-4945
NSN 6685-01-241-2325
NSN 6610-01-332-9556
NSN 5905-00-967-9438
NSN 6145-01-570-8675
NSN 5925-01-160-9069