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 5910-01-190-5522
NSN 6135-00-505-0679
NSN 6645-01-329-1779
NSN 5905-00-618-1611
NSN 6110-01-103-3142
NSN 5895-00-907-5088
NSN 2925-00-865-7922
NSN 5855-01-259-0995
NSN 6685-01-474-1898
NSN 6105-01-350-3333
NSN 6105-00-612-2006
NSN 5990-01-253-5011