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.
NSN 5835-01-390-4667
NSN 6240-01-335-8991
NSN 5990-01-626-2818
NSN 2925-00-574-8796
NSN 4140-00-152-7092
NSN 5990-01-499-6930
NSN 6240-00-851-7143
NSN 5930-00-849-9647
NSN 5996-01-297-1564
NSN 5935-01-014-4920
NSN 2925-01-320-6512
NSN 5998-00-752-8883