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 6145-01-335-6589
NSN 6320-01-054-3046
NSN 5945-01-403-2800
NSN 6145-01-334-3772
NSN 5905-01-634-0595
NSN 5996-00-068-5604
NSN 5998-00-969-4745
NSN 6685-01-200-7617
NSN 5915-01-047-2075
NSN 5985-01-062-5363
NSN 5925-01-557-7692
NSN 5999-01-396-4165