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 6145-00-067-7436
NSN 4140-01-312-5488
NSN 5935-01-397-5612
NSN 6135-01-136-1059
NSN 5910-00-636-4697
NSN 6610-01-211-6182
NSN 5930-01-311-8641
NSN 6130-00-489-9169
NSN 5895-00-764-1786
NSN 6105-01-500-0891
NSN 6685-01-530-6526
NSN 5935-01-253-9098