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.)
Classification: Nuts of iron or steel
NSN 4140-01-280-5364
NSN 5855-00-560-0110
NSN 5999-01-166-2160
NSN 5975-01-328-1503
NSN 6320-01-202-8761
NSN 5960-01-428-7300
NSN 5920-01-619-2621
NSN 5910-01-350-3639
NSN 4140-01-437-4779
NSN 5835-00-571-8866
NSN 7035-00-155-9513
NSN 5950-01-518-5437