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 6130-01-126-2032
NSN 5835-01-123-8305
NSN 4140-00-830-9515
NSN 5920-01-419-0741
NSN 5915-01-009-4262
NSN 5905-01-554-4916
NSN 6135-01-506-0759
NSN 5999-00-856-3129
NSN 5925-00-821-2268
NSN 6150-01-227-9460
NSN 6320-01-384-7079
NSN 5999-01-322-7127