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 6130-01-436-9520
NSN 5945-01-465-2044
NSN 2925-01-111-2927
NSN 5960-01-649-1341
NSN 5935-01-386-6367
NSN 5835-00-289-9080
NSN 5960-01-614-0489
NSN 2925-01-305-1370
NSN 5835-01-024-9249
NSN 6150-00-135-6508
NSN 5935-00-783-8020
NSN 6685-00-224-5310