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 6610-01-511-0982
NSN 5915-01-378-8804
NSN 5935-01-411-9951
NSN 5930-01-233-5179
NSN 6240-01-206-4809
NSN 6610-01-560-9461
NSN 6135-00-491-9864
NSN 5910-01-451-0307
NSN 7035-01-540-9829
NSN 5920-01-455-1074
NSN 5905-00-250-7566
NSN 6135-01-275-1363