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 6650-01-361-9336
NSN 6145-00-482-1724
NSN 6105-01-257-7891
NSN 6130-01-406-4970
NSN 6650-01-065-4748
NSN 5910-01-537-0532
NSN 5960-00-838-1360
NSN 5950-01-524-5319
NSN 5915-01-571-5894
NSN 5996-01-387-0484
NSN 6220-01-564-6953
NSN 5905-01-406-2860