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 6610-01-465-1320
NSN 5945-00-175-9064
NSN 5935-01-043-2028
NSN 5999-01-266-4622
NSN 5998-01-246-0730
NSN 6610-01-606-8788
NSN 5895-00-413-4535
NSN 6320-01-384-3080
NSN 5925-01-064-2388
NSN 6110-01-188-7432
NSN 5935-01-117-6675
NSN 5835-00-880-6477