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 5965-01-290-0535
NSN 6105-00-111-3353
NSN 6610-01-065-1073
NSN 6620-01-143-4862
NSN 5945-01-425-1749
NSN 6650-01-212-3964
NSN 2925-01-374-2402
NSN 5835-00-785-7921
NSN 5915-01-225-0669
NSN 6110-01-407-7820
NSN 6135-01-435-8451
NSN 2925-01-043-9786