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 6145-01-329-8758
NSN 6240-01-058-7207
NSN 5996-00-281-4500
NSN 6220-01-225-6734
NSN 5945-00-102-6845
NSN 5855-01-591-7028
NSN 6610-01-493-4936
NSN 6135-00-351-8606
NSN 6650-01-393-9612
NSN 4140-01-400-3610
NSN 5910-00-760-3596
NSN 5920-01-076-9774