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 4140-01-224-5417
NSN 7035-01-302-5359
NSN 6685-00-382-7873
NSN 5930-00-227-7345
NSN 5950-00-017-0533
NSN 5855-00-237-4088
NSN 6150-01-650-1898
NSN 5999-01-054-6696
NSN 5910-01-202-7516
NSN 5835-01-143-9143
NSN 7035-01-106-9776
NSN 5835-01-485-0210