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 5905-01-607-6163
NSN 5985-00-172-6518
NSN 6685-01-063-3922
NSN 5855-01-362-3640
NSN 5905-01-146-5511
NSN 5855-01-020-7982
NSN 5945-00-571-5888
NSN 6135-01-554-4281
NSN 5920-01-051-2239
NSN 5965-01-604-3305
NSN 6685-00-234-3394
NSN 6240-01-471-7921