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 5835-01-303-6563
NSN 5975-01-128-0821
NSN 5996-01-124-2407
NSN 5960-01-384-4603
NSN 5996-01-529-4964
NSN 5915-00-625-2285
NSN 6645-01-398-1691
NSN 5925-01-160-7609
NSN 5915-01-566-2177
NSN 5965-00-060-0090
NSN 5835-01-024-9249
NSN 5990-01-066-5227