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 6145-01-102-1940
NSN 6320-01-094-2634
NSN 5945-01-562-0869
NSN 6610-01-330-4903
NSN 6650-01-310-7403
NSN 6645-00-054-8342
NSN 6320-01-250-0290
NSN 4140-01-116-4604
NSN 6130-01-230-8391
NSN 5905-00-600-0798
NSN 6320-01-366-5157
NSN 6610-00-918-3389