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 6110-01-094-7870
NSN 4140-01-486-4884
NSN 6110-00-819-5768
NSN 5835-00-770-2843
NSN 5996-01-193-3220
NSN 2925-01-265-2853
NSN 6240-00-467-7295
NSN 5895-00-954-8264
NSN 6220-00-050-4375
NSN 6105-00-523-9868
NSN 6320-01-366-5157
NSN 6150-01-486-5961