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 6645-01-526-8782
NSN 6240-01-608-2416
NSN 5950-01-540-9939
NSN 5960-00-910-3690
NSN 6620-00-833-6786
NSN 5975-01-188-0232
NSN 5950-01-172-9090
NSN 6645-01-014-0793
NSN 6105-00-935-5256
NSN 6240-01-437-9439
NSN 6110-01-531-9903
NSN 5960-01-450-8539