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 5925-01-541-7075
NSN 5965-01-417-6946
NSN 6240-01-630-3442
NSN 5950-00-081-1905
NSN 5998-00-455-2460
NSN 6610-01-151-1540
NSN 5950-01-396-0806
NSN 5960-01-589-6846
NSN 5930-01-124-0407
NSN 6130-01-414-9621
NSN 5950-00-401-8712
NSN 5895-01-429-9305