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 6135-01-285-8807
NSN 5990-00-147-3144
NSN 5998-01-530-0772
NSN 6220-01-118-0753
NSN 6110-00-456-2058
NSN 6610-01-519-3006
NSN 5999-00-349-9332
NSN 5925-01-604-1989
NSN 6620-01-106-3553
NSN 6135-00-877-1659
NSN 5910-01-168-5087
NSN 5998-01-005-3087