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 6150-01-408-5124
NSN 5999-00-449-4436
NSN 5960-00-172-5264
NSN 5960-01-375-6815
NSN 6150-00-098-5874
NSN 6685-01-423-5873
NSN 6135-00-050-7189
NSN 6645-00-654-8804
NSN 5895-00-045-9695
NSN 5985-01-179-7762
NSN 6620-00-358-7160
NSN 6320-01-021-6633