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 5998-01-544-7493
NSN 5975-00-481-3681
NSN 4140-01-469-9226
NSN 5985-01-158-5645
NSN 5999-00-179-2860
NSN 6610-01-141-7014
NSN 5925-00-796-0679
NSN 5985-01-353-0099
NSN 6610-00-243-2099
NSN 5960-01-570-8605
NSN 6220-01-195-8583
NSN 6105-00-008-6140