Square nut; heavy
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 5935-01-206-8707
NSN 5975-01-387-6762
NSN 5905-01-391-6564
NSN 6105-00-607-0811
NSN 5999-00-666-3838
NSN 5835-01-225-3080
NSN 5965-01-521-0584
NSN 6620-00-269-8950
NSN 6130-01-109-2467
NSN 5965-01-420-6613
NSN 7035-01-651-7458
NSN 6220-00-541-8515