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 5855-01-196-7082
NSN 6105-00-042-4469
NSN 6135-01-549-5587
NSN 5920-01-371-6194
NSN 5996-01-552-8081
NSN 5930-01-237-2596
NSN 5960-00-899-5381
NSN 5998-01-534-6251
NSN 6145-01-550-9633
NSN 5960-01-253-6687
NSN 6130-00-879-4100
NSN 5975-01-141-7330