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 5910-00-269-4755
NSN 5895-01-200-3111
NSN 5920-01-426-8517
NSN 5999-01-614-2229
NSN 5925-01-442-5795
NSN 5975-01-384-7912
NSN 6650-00-016-9426
NSN 6105-00-862-9839
NSN 5985-00-986-3614
NSN 6685-01-571-0808
NSN 5930-01-336-6454
NSN 5920-01-469-0816