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: Nuts of iron or steel
NSN 6135-00-255-1340
NSN 5905-01-567-0777
NSN 5975-00-146-7925
NSN 5915-01-461-0037
NSN 5998-00-317-7215
NSN 5990-01-414-2778
NSN 5975-01-543-2186
NSN 6110-01-589-8485
NSN 6130-01-414-7084
NSN 6130-01-024-9557
NSN 6145-00-495-3384
NSN 5935-01-186-1341