A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
Classification: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 6130-01-228-8062
NSN 5990-01-453-3552
NSN 5999-01-062-0739
NSN 6620-00-518-3595
NSN 6150-01-143-8242
NSN 6650-01-278-6645
NSN 6240-01-013-5138
NSN 6645-00-183-8812
NSN 5960-01-104-3426
NSN 7035-01-511-6219
NSN 5920-01-031-1199
NSN 6105-01-353-8383