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 6650-01-528-9868
NSN 6130-00-112-0716
NSN 5905-00-166-0358
NSN 5930-00-536-3989
NSN 6685-01-555-3596
NSN 5960-00-275-2990
NSN 6150-00-994-5030
NSN 5835-00-823-6116
NSN 4140-01-046-6583
NSN 5905-01-634-0595
NSN 5985-01-458-9149
NSN 5950-01-204-4637