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 5975-00-169-0513
NSN 5835-01-416-6455
NSN 5895-01-445-6946
NSN 5930-01-501-9216
NSN 6130-01-525-8269
NSN 6610-01-221-2606
NSN 6130-00-654-5833
NSN 5910-01-470-8625
NSN 5999-01-482-9605
NSN 6220-01-091-7524
NSN 5835-01-259-0815
NSN 6130-00-188-7928