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 5925-01-463-0305
NSN 6240-00-732-4240
NSN 6620-00-538-8746
NSN 5855-00-631-4565
NSN 6130-01-325-7942
NSN 5945-00-173-4582
NSN 5915-01-487-2378
NSN 5945-00-563-8398
NSN 6145-01-623-5260
NSN 5910-00-122-8623
NSN 5998-01-181-2349
NSN 5950-00-154-0329