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.
NSN 5835-00-155-1379
NSN 5960-00-822-9519
NSN 2925-00-290-7052
NSN 5985-01-617-9050
NSN 5915-01-327-5065
NSN 7035-01-132-7209
NSN 6620-01-087-4361
NSN 5920-01-438-3640
NSN 6220-00-192-1164
NSN 6135-01-185-3614
NSN 6145-00-635-9412
NSN 2925-01-412-9520