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 5895-01-660-1962
NSN 5998-00-955-5901
NSN 6610-01-259-1718
NSN 5990-01-356-4259
NSN 5910-01-075-3288
NSN 5935-00-250-1021
NSN 5855-01-096-0872
NSN 6220-01-390-8620
NSN 5835-01-442-6482
NSN 6150-01-240-8546
NSN 5915-01-338-2034
NSN 5905-01-587-3094