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 6620-01-586-3456
NSN 5925-00-100-0102
NSN 5930-01-332-1324
NSN 5855-01-454-5653
NSN 5965-01-390-9249
NSN 5945-00-098-5374
NSN 5930-01-083-0038
NSN 5910-01-555-3498
NSN 6220-01-334-8306
NSN 6645-01-352-0886
NSN 5985-00-498-9361
NSN 6610-00-461-3186