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 5965-01-333-8560
NSN 6645-01-112-1095
NSN 2925-00-881-3770
NSN 6645-00-641-3202
NSN 5965-00-716-7078
NSN 4140-01-266-9019
NSN 2925-00-862-8550
NSN 6220-01-399-6661
NSN 6685-01-333-1078
NSN 5835-01-632-6627
NSN 5950-00-110-4965
NSN 5950-01-087-2031