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 5910-00-280-1463
NSN 7035-01-029-7221
NSN 6105-01-040-9677
NSN 6610-01-508-6272
NSN 5960-01-201-6316
NSN 4140-00-529-7463
NSN 5835-01-324-8739
NSN 5910-00-518-4293
NSN 5895-00-809-0055
NSN 5998-01-541-9243
NSN 6650-01-350-2515
NSN 6135-00-125-5265