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 5975-01-310-4995
NSN 5910-00-988-2354
NSN 5998-00-583-8617
NSN 7035-00-142-9076
NSN 6150-01-461-9799
NSN 6110-00-356-5388
NSN 5965-01-470-9834
NSN 5950-01-634-0677
NSN 6685-01-485-8079
NSN 5835-01-359-2575
NSN 6220-01-222-0724
NSN 6105-01-197-7687