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 6150-01-439-0380
NSN 5935-01-646-9296
NSN 6320-01-116-3980
NSN 6685-00-642-0533
NSN 5990-01-425-2175
NSN 6145-01-251-7652
NSN 5905-01-355-7850
NSN 6135-01-095-2556
NSN 6110-00-468-6897
NSN 6145-01-492-9840
NSN 6150-01-508-4207
NSN 6110-01-308-0928