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 5998-00-820-5818
NSN 6150-01-225-7442
NSN 6145-01-373-3614
NSN 6105-01-269-7117
NSN 5996-01-601-9310
NSN 5905-00-982-6862
NSN 6150-00-790-2297
NSN 5965-00-963-1796
NSN 6650-01-616-1337
NSN 5930-01-410-7759
NSN 6105-01-218-4320
NSN 5925-01-196-5123