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 5855-01-461-8169
NSN 7035-00-763-6180
NSN 6320-01-435-5991
NSN 5950-01-309-1501
NSN 5998-00-268-1908
NSN 6320-01-227-2648
NSN 6130-00-496-0549
NSN 6130-00-494-8451
NSN 5895-01-040-4591
NSN 6320-00-483-0451
NSN 5915-01-357-6158
NSN 5975-01-504-9121