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 5920-00-411-7636
NSN 6145-00-079-9612
NSN 6105-01-517-8202
NSN 5985-01-155-8064
NSN 6135-01-604-8739
NSN 5998-01-481-3366
NSN 5950-01-129-3484
NSN 6685-00-225-8571
NSN 6110-01-484-6469
NSN 5895-01-191-6716
NSN 5960-00-592-4118
NSN 6650-01-462-5879