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 4140-01-483-3955
NSN 5925-01-570-1759
NSN 6105-01-498-4994
NSN 5998-00-586-3068
NSN 5925-01-630-6911
NSN 5998-00-144-8211
NSN 5905-01-216-0217
NSN 5835-00-469-3395
NSN 6610-01-153-0700
NSN 2925-01-385-6661
NSN 5925-01-535-7864
NSN 5975-00-083-1433