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: Copper screws, nuts, bolts, rivets, and other fasteners not threaded
NSN 5895-00-960-7680
NSN 6220-01-563-8749
NSN 5835-00-885-6030
NSN 4140-00-473-8189
NSN 5945-01-090-0890
NSN 5895-01-206-0675
NSN 5950-00-978-4928
NSN 6135-00-477-8847
NSN 4140-01-406-3626
NSN 6650-00-044-1933
NSN 6650-01-083-9706
NSN 6320-01-512-2031