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 6130-00-826-8284
NSN 5960-01-092-4762
NSN 6645-00-244-0359
NSN 7035-01-029-7221
NSN 5960-01-107-5544
NSN 5950-01-571-8560
NSN 7035-01-187-0266
NSN 6220-01-195-5967
NSN 6220-01-469-5436
NSN 5985-00-666-2091
NSN 5990-01-042-8524
NSN 5945-00-128-2972