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 5920-01-412-1080
NSN 6650-01-100-0933
NSN 5998-01-304-4379
NSN 5925-01-323-6491
NSN 5920-00-985-5090
NSN 5920-01-401-5315
NSN 6130-00-277-7321
NSN 5895-01-504-0407
NSN 5930-00-394-6938
NSN 6645-01-413-8003
NSN 6220-01-463-4614
NSN 5975-01-185-3694