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 5835-00-364-0816
NSN 5996-00-737-0646
NSN 6650-01-616-1337
NSN 5999-00-490-1339
NSN 5950-01-291-9147
NSN 2925-00-242-4516
NSN 5945-01-025-1163
NSN 5975-00-421-5342
NSN 5965-00-225-1848
NSN 5920-00-925-2639
NSN 6620-01-359-3920
NSN 6610-01-167-8747