A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6110-01-647-7762
NSN 6135-01-507-4346
NSN 5935-01-426-8969
NSN 6645-00-140-5173
NSN 6110-01-082-8386
NSN 5930-01-488-3987
NSN 6240-00-918-2426
NSN 6135-01-128-5358
NSN 6610-00-371-5953
NSN 5960-01-209-2410
NSN 6320-01-265-0665
NSN 5905-00-264-5393