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 6110-00-973-4501
NSN 5915-01-431-4256
NSN 5999-01-038-8473
NSN 5910-00-344-4431
NSN 5915-01-400-6125
NSN 6685-01-463-0554
NSN 6645-01-215-3629
NSN 6650-01-047-3911
NSN 6240-01-011-2267
NSN 5935-01-352-7798
NSN 6610-00-081-2229
NSN 5990-01-465-9235