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 5985-00-983-4751
NSN 6130-01-278-7815
NSN 4140-00-828-4181
NSN 6110-01-613-6089
NSN 6610-00-236-7175
NSN 5925-00-309-2404
NSN 6650-00-984-5340
NSN 5925-00-597-1558
NSN 5945-00-194-2500
NSN 5998-01-581-4055
NSN 5935-01-311-9958
NSN 6135-01-156-4627