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 5895-00-226-4274
NSN 6110-01-597-3080
NSN 5905-01-340-5647
NSN 5905-01-263-9859
NSN 6110-00-900-6410
NSN 7035-01-400-3666
NSN 6220-01-344-9707
NSN 6145-01-470-0789
NSN 6645-00-736-0476
NSN 6110-00-659-3348
NSN 5960-01-085-7191
NSN 5910-00-577-9390