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 5935-01-178-8306
NSN 6645-01-633-1852
NSN 5930-01-106-4651
NSN 5945-00-255-6412
NSN 5975-01-015-0001
NSN 6145-01-014-6260
NSN 5935-01-442-2764
NSN 4140-00-727-2440
NSN 6220-00-723-2163
NSN 5998-01-197-5795
NSN 5998-01-344-1025
NSN 5895-01-194-5676