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 6240-01-426-5581
NSN 6650-00-242-7961
NSN 7035-01-348-5153
NSN 6135-01-329-7994
NSN 6105-00-136-9158
NSN 4140-01-378-1032
NSN 5915-00-155-7626
NSN 6110-00-560-6990
NSN 5990-01-365-6016
NSN 6620-01-008-2715
NSN 5999-01-415-1215
NSN 6650-00-923-4192