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 4140-01-145-2858
NSN 6610-01-527-8006
NSN 5835-00-980-0468
NSN 6650-01-148-1841
NSN 6110-00-391-4939
NSN 5915-01-184-5350
NSN 5835-01-378-6804
NSN 5960-01-399-4327
NSN 6130-01-484-0869
NSN 5975-01-327-8008
NSN 5930-01-527-2367
NSN 5925-01-322-4366