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 5915-01-578-7264
NSN 6685-01-386-6322
NSN 6145-00-837-5977
NSN 6685-01-389-2694
NSN 6130-00-568-5855
NSN 5998-00-499-9127
NSN 6130-00-907-3005
NSN 6130-01-211-5828
NSN 5945-01-407-8703
NSN 5975-01-086-7926
NSN 5990-00-023-4163
NSN 5835-01-647-6426