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 6105-00-099-8818
NSN 5925-00-876-1042
NSN 5990-00-835-5211
NSN 7035-01-238-9301
NSN 6650-01-419-7567
NSN 6110-01-460-8843
NSN 7035-01-146-7096
NSN 5998-00-256-2090
NSN 5999-00-733-6655
NSN 6105-01-614-3120
NSN 7035-01-470-4849
NSN 5915-01-511-1024