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 5996-01-528-7386
NSN 6610-01-450-3998
NSN 6620-00-273-8735
NSN 5915-01-350-4636
NSN 5965-01-287-7235
NSN 5998-01-123-9687
NSN 5985-01-099-9294
NSN 6110-01-605-9936
NSN 5996-00-499-8036
NSN 5935-01-341-5170
NSN 5998-00-864-8336
NSN 5990-01-475-8708