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 6610-00-172-4445
NSN 6220-01-191-7643
NSN 5925-00-103-6469
NSN 5930-01-242-9918
NSN 5915-00-191-5894
NSN 5960-01-335-1622
NSN 6220-01-215-0907
NSN 6610-01-176-3539
NSN 5925-00-553-9899
NSN 6130-01-441-5404
NSN 6110-01-426-2606
NSN 6105-00-633-3234