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 6650-01-585-6317
NSN 5935-01-130-7638
NSN 5950-01-462-4494
NSN 5935-01-628-9706
NSN 4140-01-476-5436
NSN 5998-01-335-0558
NSN 5965-01-589-3968
NSN 5985-00-325-8278
NSN 5905-01-016-1965
NSN 5965-00-811-3793
NSN 6135-00-930-5372
NSN 6150-01-517-5047