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 5905-00-456-0937
NSN 6150-00-583-3518
NSN 5895-01-272-7930
NSN 6620-01-633-8443
NSN 6320-00-481-7291
NSN 5975-00-053-1074
NSN 6150-01-377-9057
NSN 7035-00-455-7666
NSN 5835-01-422-7393
NSN 6320-01-237-9746
NSN 5975-01-303-7638
NSN 6105-00-593-7471