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.)
NSN 5960-01-013-0079
NSN 5960-01-061-6216
NSN 7035-00-541-8516
NSN 5935-01-626-2921
NSN 5998-00-752-1162
NSN 5835-01-122-3489
NSN 5855-00-832-9341
NSN 5950-00-334-3011
NSN 5950-00-244-1567
NSN 5935-01-537-6084
NSN 6220-00-365-9466
NSN 5998-01-259-9084