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 5905-00-458-4540
NSN 6150-01-128-6412
NSN 5910-01-281-5528
NSN 6320-01-078-8257
NSN 5935-00-910-1484
NSN 5915-01-012-9707
NSN 5998-01-578-0906
NSN 6110-01-616-6867
NSN 6110-01-427-9277
NSN 5975-01-113-7397
NSN 6150-00-463-9911
NSN 6135-01-087-7895