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 5835-00-034-4976
NSN 6320-00-295-2854
NSN 5905-01-275-0733
NSN 5920-00-607-3385
NSN 6110-01-247-1780
NSN 5960-00-840-8976
NSN 6145-01-448-7819
NSN 5920-01-591-9930
NSN 5855-01-421-1440
NSN 6145-00-078-9917
NSN 7035-01-007-7181
NSN 5950-01-468-5431