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 5975-00-110-4089
NSN 5999-00-938-6583
NSN 5996-01-072-8378
NSN 5998-01-442-3628
NSN 5990-01-215-0590
NSN 6135-01-375-2021
NSN 5935-01-310-8616
NSN 6130-01-446-6252
NSN 5999-01-648-2640
NSN 6320-01-384-3850
NSN 6650-00-393-0447
NSN 5895-01-512-7671