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 5985-00-011-1092
NSN 6240-01-059-9909
NSN 5960-01-553-4557
NSN 5965-01-384-9654
NSN 4140-01-607-8014
NSN 6220-00-174-5876
NSN 6620-00-010-8190
NSN 5998-01-400-0595
NSN 7035-00-631-3782
NSN 5925-01-263-5990
NSN 5996-01-541-5787
NSN 5895-01-116-3271