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 5975-00-604-8537
NSN 5960-00-315-0358
NSN 5930-01-032-4502
NSN 5996-01-287-7250
NSN 6220-01-466-5084
NSN 6135-01-574-6577
NSN 5945-01-576-7201
NSN 6130-01-255-8692
NSN 6130-00-683-1011
NSN 5930-01-419-5925
NSN 6685-01-179-1826
NSN 6240-01-003-5797