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 6145-01-381-5589
NSN 5985-01-123-8667
NSN 5990-00-594-7291
NSN 5935-00-189-1504
NSN 5915-01-224-9485
NSN 6135-01-386-5709
NSN 5910-00-262-0959
NSN 5998-01-617-6478
NSN 6320-01-372-2796
NSN 6620-01-377-0414
NSN 6220-00-527-1177
NSN 6145-00-403-9458