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 6110-01-245-8995
NSN 6145-01-295-1107
NSN 6220-01-626-6426
NSN 5930-00-167-8058
NSN 6130-01-296-3977
NSN 5960-01-171-6161
NSN 6220-01-366-4242
NSN 5945-01-389-7100
NSN 5998-00-777-4417
NSN 5855-01-162-5251
NSN 5930-01-112-9958
NSN 6610-01-466-9985