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 5835-00-104-2511
NSN 6610-01-160-6585
NSN 5965-01-045-0247
NSN 5915-00-100-5239
NSN 6320-00-402-6493
NSN 6645-01-394-7544
NSN 5855-01-364-4478
NSN 5945-00-209-9784
NSN 5990-01-455-8035
NSN 2925-00-081-6835
NSN 6105-00-527-8571
NSN 4140-00-517-7902