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 5996-00-308-0994
NSN 5990-01-348-9843
NSN 7035-01-231-2450
NSN 6645-01-489-5426
NSN 5910-01-010-2911
NSN 5930-01-167-7036
NSN 6145-00-068-6619
NSN 5999-01-599-2352
NSN 6130-01-567-2383
NSN 6240-01-140-0732
NSN 5895-01-170-4355
NSN 6145-01-260-2570