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 5996-00-136-6730
NSN 6645-01-069-3286
NSN 5935-01-147-5743
NSN 6620-01-226-2165
NSN 5975-01-101-2192
NSN 6650-01-235-8494
NSN 5945-00-809-6497
NSN 5925-00-708-8769
NSN 5996-01-046-2799
NSN 5975-00-785-9288
NSN 5975-00-599-6690
NSN 5945-00-847-8317