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 6610-00-654-9877
NSN 5895-00-890-7023
NSN 6105-01-566-6462
NSN 2925-01-511-2667
NSN 6685-00-252-0689
NSN 4140-00-111-3247
NSN 2925-00-236-9986
NSN 5905-01-153-7392
NSN 6145-00-110-7459
NSN 6145-01-286-5673
NSN 6320-00-593-0379
NSN 5985-01-239-2764