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 5925-01-532-6972
NSN 5960-01-079-7797
NSN 5998-01-493-7324
NSN 5996-00-984-0721
NSN 5945-01-265-3985
NSN 5950-01-358-7650
NSN 5975-01-064-1511
NSN 5915-00-142-6912
NSN 5920-00-547-1051
NSN 5910-01-619-9468
NSN 6620-01-019-6952
NSN 6620-00-919-6710