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 6320-00-882-7061
NSN 6220-01-493-3251
NSN 2925-01-361-5310
NSN 5925-01-067-8301
NSN 6145-01-138-7773
NSN 7035-01-327-0793
NSN 4140-01-279-8893
NSN 5998-01-487-6482
NSN 5895-00-102-2603
NSN 5835-01-163-4215
NSN 6130-00-064-7830
NSN 5990-01-160-6978