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 5950-00-906-9977
NSN 5965-00-139-1039
NSN 6240-00-280-0186
NSN 6150-00-414-9319
NSN 7035-01-143-3573
NSN 6130-01-406-3725
NSN 5998-01-147-6074
NSN 6135-00-702-2772
NSN 7035-01-504-3462
NSN 5925-01-613-7921
NSN 6130-00-111-1320
NSN 6110-01-432-0003