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 5910-00-557-0923
NSN 6145-00-360-7760
NSN 7035-00-188-6674
NSN 5950-00-905-6887
NSN 5998-01-400-6739
NSN 5895-00-372-5493
NSN 5895-01-317-4725
NSN 6240-00-591-6836
NSN 6620-01-225-9510
NSN 6135-01-100-3593
NSN 5960-01-077-9600
NSN 5965-01-647-4195