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 6110-01-642-3323
NSN 5996-00-813-6876
NSN 5905-01-183-8018
NSN 5910-01-176-1513
NSN 5925-01-386-6188
NSN 5835-01-625-8604
NSN 5960-00-250-7942
NSN 5945-01-493-4969
NSN 6240-00-340-6977
NSN 6145-01-354-5276
NSN 5855-01-224-7975
NSN 5915-01-446-3837