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 6150-00-172-0431
NSN 5930-00-125-7073
NSN 5855-00-058-1293
NSN 5975-01-025-9990
NSN 5975-01-604-9430
NSN 5998-01-108-4382
NSN 5998-00-962-7408
NSN 5985-01-075-9843
NSN 5998-01-253-0381
NSN 6145-01-110-8369
NSN 6610-00-768-9619
NSN 5930-00-127-8214