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 5999-01-629-9562
NSN 5960-00-170-2521
NSN 6610-01-085-2072
NSN 4140-00-643-3744
NSN 6620-01-656-7448
NSN 5855-00-337-3679
NSN 6130-01-598-0221
NSN 5999-01-175-1691
NSN 5910-00-153-2609
NSN 6240-00-186-6611
NSN 5895-01-538-1703
NSN 5975-01-096-9002