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 6610-00-641-3015
NSN 5998-01-496-7831
NSN 7035-01-495-1090
NSN 5895-01-439-0715
NSN 5999-01-550-9796
NSN 5855-00-087-7833
NSN 6220-01-119-0742
NSN 7035-01-514-0599
NSN 5996-00-392-7626
NSN 5985-00-263-2469
NSN 5915-00-192-3109
NSN 5835-00-155-1379