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 6145-01-246-5806
NSN 5930-01-398-5504
NSN 6150-01-337-7758
NSN 5925-01-604-9251
NSN 2925-00-400-5634
NSN 5975-01-160-8617
NSN 5965-01-437-0905
NSN 2925-01-564-8043
NSN 5950-01-463-3096
NSN 5855-01-500-6617
NSN 6240-00-246-6201
NSN 5998-01-118-2783