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 5915-00-857-3007
NSN 6645-01-400-1137
NSN 6645-00-256-4072
NSN 5996-00-163-4950
NSN 5835-01-029-1702
NSN 5960-01-226-7297
NSN 7035-01-082-0311
NSN 6610-01-142-8958
NSN 4140-01-646-7141
NSN 5925-01-255-3371
NSN 5996-01-425-7907
NSN 5925-01-450-6478