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 6145-01-285-1799
NSN 5945-00-225-2870
NSN 5960-01-481-3722
NSN 5985-00-146-4868
NSN 6105-01-486-4354
NSN 6610-00-689-3629
NSN 6610-00-211-9095
NSN 7035-01-541-9818
NSN 6620-01-076-8706
NSN 5920-01-455-2393
NSN 5930-00-471-2549
NSN 7035-01-472-1999