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 5975-01-407-2289
NSN 6685-01-311-8892
NSN 4140-01-362-7117
NSN 6645-01-400-2119
NSN 5835-01-263-1293
NSN 5975-01-486-9999
NSN 5985-00-905-6609
NSN 5965-01-090-5289
NSN 6150-00-636-8938
NSN 5915-01-633-9845
NSN 6620-00-135-9338
NSN 5996-01-159-9089