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 5985-01-089-2627
NSN 5835-00-537-7780
NSN 6130-01-044-6382
NSN 5915-01-226-4300
NSN 6650-01-633-9147
NSN 6145-00-864-5334
NSN 5999-01-305-7055
NSN 6105-01-328-8695
NSN 5835-01-399-5820
NSN 6645-01-287-7348
NSN 6620-01-591-6681
NSN 5920-00-753-5113