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 6650-00-675-1370
NSN 5999-00-971-6832
NSN 6240-00-079-0112
NSN 6220-01-190-8605
NSN 4140-01-394-9252
NSN 5935-01-473-7554
NSN 6685-01-297-2370
NSN 5985-01-419-1199
NSN 7035-01-294-2688
NSN 6650-01-581-1184
NSN 5935-00-527-1175
NSN 5965-01-451-7313