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 5855-01-594-5370
NSN 5990-01-128-7599
NSN 6620-01-531-8818
NSN 5935-01-073-1690
NSN 6320-01-465-2028
NSN 6645-00-664-4665
NSN 6240-00-275-1950
NSN 6620-01-442-8444
NSN 6150-00-269-5017
NSN 6150-00-806-0931
NSN 5950-01-072-4341
NSN 5998-00-120-0829