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 5905-01-634-0595
NSN 6145-01-015-1737
NSN 6105-01-069-3693
NSN 6150-00-180-8096
NSN 5990-01-421-5342
NSN 4140-01-024-5862
NSN 5975-01-521-3858
NSN 5930-01-393-0392
NSN 5835-00-764-4388
NSN 5985-01-137-3767
NSN 5920-00-946-9147
NSN 5925-00-877-8066