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 5998-00-689-9749
NSN 5935-01-634-0668
NSN 6145-00-073-5205
NSN 5915-00-976-1259
NSN 6620-01-205-6608
NSN 6150-01-068-9992
NSN 2925-01-147-6688
NSN 5835-01-013-9321
NSN 6610-01-527-0256
NSN 5985-01-352-4613
NSN 5905-01-525-3983
NSN 6150-01-147-4604