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 6685-01-320-3344
NSN 5999-01-556-2330
NSN 5960-00-088-4341
NSN 5975-00-111-3208
NSN 5920-01-480-6519
NSN 6150-01-259-0752
NSN 5930-01-209-0642
NSN 5855-01-020-7982
NSN 2925-01-441-8958
NSN 5998-01-023-8080
NSN 5920-01-361-8835
NSN 5920-01-416-8756