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 6645-00-663-8111
NSN 6110-01-555-9021
NSN 5985-01-241-2270
NSN 5895-00-115-7848
NSN 4140-01-581-7160
NSN 4140-01-430-2335
NSN 6220-01-211-7025
NSN 5999-01-356-6547
NSN 5920-00-493-8307
NSN 5910-00-401-3110
NSN 5895-00-539-8322
NSN 7035-01-261-9850