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 6145-01-343-2872
NSN 6620-01-519-2628
NSN 5996-01-438-9421
NSN 6130-01-382-0607
NSN 5920-00-108-5399
NSN 6610-01-146-0331
NSN 2925-01-645-2948
NSN 5996-01-237-4501
NSN 5950-01-349-0254
NSN 5999-01-100-1872
NSN 5935-00-581-3890
NSN 5835-01-351-8429