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 6145-00-988-3870
NSN 4140-01-524-0036
NSN 7035-01-384-9257
NSN 5960-01-350-2925
NSN 5930-01-172-0263
NSN 6110-01-420-8996
NSN 5920-01-181-5248
NSN 6145-00-578-7522
NSN 5925-01-314-7384
NSN 7035-00-252-7467
NSN 5835-01-469-6706
NSN 5965-00-013-7990