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 5905-00-224-0744
NSN 5975-01-383-6548
NSN 5999-01-212-9507
NSN 5910-01-067-7333
NSN 6130-01-334-3043
NSN 4140-00-370-2612
NSN 7035-00-369-6346
NSN 6320-00-823-2015
NSN 5990-01-200-7460
NSN 5950-01-495-8501
NSN 5965-01-562-8547
NSN 5945-01-430-4992