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 5990-01-364-1942
NSN 6320-00-557-3079
NSN 5935-00-802-1390
NSN 5910-01-481-1515
NSN 6620-01-407-1158
NSN 6320-00-070-4544
NSN 5835-00-946-2656
NSN 5965-01-149-8000
NSN 5920-00-495-6663
NSN 6220-01-409-1585
NSN 6320-01-316-2190
NSN 6150-01-445-6273