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 6620-00-080-2847
NSN 5999-00-485-2758
NSN 4140-01-585-0067
NSN 6320-00-823-2015
NSN 6145-00-069-0257
NSN 6685-01-050-0129
NSN 5855-01-451-9877
NSN 5895-00-606-6647
NSN 7035-00-179-3924
NSN 5920-01-539-3233
NSN 6645-01-114-8044
NSN 5920-01-420-5768