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 5950-01-601-4026
NSN 6320-00-908-6841
NSN 5945-00-408-0727
NSN 6645-01-400-2119
NSN 5945-01-065-0887
NSN 6610-01-246-7563
NSN 5895-00-012-4125
NSN 6650-01-369-9780
NSN 6240-00-226-0462
NSN 6685-01-434-8906
NSN 6145-01-313-1420
NSN 5935-01-617-0334