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 5996-01-630-5791
NSN 5910-01-524-4919
NSN 5930-01-566-1733
NSN 5999-01-360-3943
NSN 4140-01-449-2903
NSN 6145-01-271-7497
NSN 5915-01-377-8681
NSN 5998-01-152-1221
NSN 5925-00-999-9320
NSN 6110-01-018-8742
NSN 5905-01-481-0500
NSN 5915-01-108-3837