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 5990-00-103-0528
NSN 6110-01-142-5324
NSN 5950-01-634-0677
NSN 5990-01-193-0487
NSN 5960-01-167-6689
NSN 6650-00-139-5459
NSN 5925-01-479-0213
NSN 6110-00-248-7475
NSN 6150-01-501-5734
NSN 5915-01-099-9068
NSN 6620-00-963-1319
NSN 5910-01-102-8852