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 5945-01-143-4623
NSN 5990-00-059-2616
NSN 5930-01-537-9759
NSN 6320-00-636-0922
NSN 5855-01-384-3314
NSN 6610-01-608-5285
NSN 5895-01-458-4831
NSN 2925-01-448-2880
NSN 2925-00-863-8578
NSN 7035-01-132-7209
NSN 6110-00-601-8922
NSN 5905-00-539-5746