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 6240-01-431-3363
NSN 5920-00-682-0500
NSN 4140-00-618-8855
NSN 5895-01-081-3977
NSN 5985-00-617-9043
NSN 5975-01-628-1835
NSN 5895-00-056-5488
NSN 5920-00-987-1605
NSN 6610-01-254-4196
NSN 6685-01-298-2989
NSN 6645-00-411-3733
NSN 4140-00-413-0877