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 5945-01-571-8594
NSN 6130-01-432-1915
NSN 5990-00-759-3423
NSN 5985-00-933-0345
NSN 6685-01-578-0967
NSN 5985-01-466-4177
NSN 6145-00-119-8201
NSN 5855-01-434-8467
NSN 5999-00-108-8499
NSN 5945-00-907-1351
NSN 5998-00-949-5676
NSN 6620-01-447-4607