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 5930-01-558-7660
NSN 6320-01-246-4390
NSN 6620-01-601-7491
NSN 6685-01-349-0466
NSN 6320-01-422-1212
NSN 6620-00-006-6418
NSN 6685-00-974-8140
NSN 6320-01-281-6028
NSN 7035-01-445-3563
NSN 5915-01-487-3883
NSN 6240-01-196-1688
NSN 5835-00-642-8148