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 5855-00-610-4052
NSN 6150-00-761-6293
NSN 6145-01-362-0089
NSN 6135-00-444-1402
NSN 5998-00-119-9124
NSN 5930-01-573-7265
NSN 5998-01-387-6999
NSN 5985-01-561-2817
NSN 6150-01-145-5156
NSN 6130-00-758-5253
NSN 5985-01-286-2192
NSN 5915-01-533-6267