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 5999-01-244-7756
NSN 6145-01-068-8761
NSN 6220-01-024-9444
NSN 5975-01-348-9723
NSN 6620-01-207-0667
NSN 6610-01-226-7612
NSN 6240-01-442-4623
NSN 6220-01-442-3931
NSN 5965-01-521-1811
NSN 5930-01-655-6331
NSN 6145-01-449-7397
NSN 5960-01-089-8155