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 5920-01-281-7354
NSN 5915-00-773-2333
NSN 5855-01-505-9158
NSN 6110-01-554-6229
NSN 5910-01-359-3284
NSN 5975-01-476-3975
NSN 5999-01-419-2278
NSN 5950-00-246-8717
NSN 5920-01-387-0183
NSN 5910-01-507-0720
NSN 5895-01-489-5673
NSN 6240-00-985-5244