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 4140-00-813-1420
NSN 5999-01-276-8185
NSN 5935-01-100-2659
NSN 6220-01-113-3257
NSN 7035-01-372-5006
NSN 6610-01-581-6117
NSN 5990-01-510-4699
NSN 6105-01-570-0351
NSN 5975-01-527-8106
NSN 5920-00-996-5232
NSN 6105-01-184-3066
NSN 6135-00-812-9039