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 5999-01-540-2477
NSN 6145-00-117-8861
NSN 5905-00-138-1660
NSN 5990-00-295-9497
NSN 6685-01-145-0270
NSN 6320-01-536-3077
NSN 5915-01-055-2050
NSN 6645-01-376-8022
NSN 5945-01-063-6824
NSN 5935-01-472-8138
NSN 6685-01-472-9453
NSN 5895-01-024-8736