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 6240-00-617-9599
NSN 6220-01-450-7909
NSN 5855-01-411-3360
NSN 7035-00-320-5644
NSN 5935-01-580-6142
NSN 6105-01-119-3514
NSN 5999-01-523-0013
NSN 5985-01-053-1147
NSN 5895-01-414-4856
NSN 5996-00-096-7653
NSN 5935-00-987-5419
NSN 6610-01-203-8098