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 5935-00-408-0435
NSN 5855-01-409-1792
NSN 5915-01-425-8615
NSN 7035-00-922-5700
NSN 6610-01-360-3564
NSN 6645-01-204-8677
NSN 6135-00-753-2276
NSN 5910-00-598-3674
NSN 6620-00-933-3640
NSN 5998-01-499-0975
NSN 5925-01-160-3915
NSN 6685-01-294-3496