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 7035-01-141-0013
NSN 5855-00-177-3529
NSN 5925-00-272-8959
NSN 7035-00-946-2642
NSN 5925-00-655-1956
NSN 2925-00-449-2478
NSN 6135-00-369-2368
NSN 5855-00-560-0110
NSN 6320-01-339-8056
NSN 5990-00-627-5151
NSN 6650-01-081-0069
NSN 5895-00-585-2038