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 5985-01-016-1854
NSN 5960-00-506-1295
NSN 5910-01-421-9817
NSN 5895-01-528-7708
NSN 6220-00-888-7235
NSN 4140-01-102-2244
NSN 6220-00-185-6048
NSN 5910-00-577-6999
NSN 5910-01-605-6985
NSN 6135-00-803-3012
NSN 6650-01-647-4696
NSN 5905-00-152-8847