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 6220-01-503-3807
NSN 6130-01-618-1735
NSN 6240-01-088-7629
NSN 5945-01-528-0641
NSN 5835-00-315-3797
NSN 5960-01-203-3619
NSN 5985-01-580-0566
NSN 5975-00-734-4606
NSN 6150-01-128-3227
NSN 5975-00-927-2407
NSN 5905-00-817-4694
NSN 6610-01-127-0724