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 5985-01-024-9640
NSN 2925-00-169-3775
NSN 5998-01-016-9632
NSN 5950-01-165-8535
NSN 5855-00-446-5921
NSN 6150-01-264-5550
NSN 6645-00-081-4298
NSN 5985-01-439-8090
NSN 6150-00-271-9925
NSN 6610-01-375-1527
NSN 6610-01-423-3608
NSN 4140-01-069-6989