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 5975-01-026-9931
NSN 5960-01-597-9591
NSN 5930-01-025-0054
NSN 6145-01-134-0835
NSN 5920-01-479-5389
NSN 6105-01-503-9487
NSN 5996-00-935-5070
NSN 5960-00-833-7438
NSN 5960-01-289-9733
NSN 5990-01-652-7373
NSN 6685-00-574-0113
NSN 5935-00-299-0716