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 5975-00-204-9190
NSN 5920-01-556-7297
NSN 5895-00-283-5581
NSN 5975-01-624-4012
NSN 6150-00-961-1303
NSN 5910-01-563-8558
NSN 5998-01-615-6941
NSN 5855-01-461-2741
NSN 6105-00-081-9090
NSN 6650-00-266-6808
NSN 5930-00-290-7340
NSN 5855-00-455-6070