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 5910-01-133-3138
NSN 5935-00-132-2675
NSN 6130-00-050-0859
NSN 6685-01-648-2179
NSN 6110-01-484-8974
NSN 5996-01-310-2986
NSN 5996-01-442-5218
NSN 5895-01-388-8695
NSN 5915-00-151-7849
NSN 6650-01-240-2334
NSN 6620-00-780-7786
NSN 5925-01-609-9826