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 6645-00-080-1087
NSN 5985-00-074-3308
NSN 6685-00-124-5215
NSN 4140-00-379-4748
NSN 6610-01-314-7964
NSN 2925-00-902-3881
NSN 5999-00-225-8960
NSN 7035-00-320-5644
NSN 6130-00-618-7467
NSN 6145-01-481-5070
NSN 5996-01-568-4832
NSN 6645-01-496-0073