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 7035-01-348-5153
NSN 6150-00-228-4874
NSN 5996-01-544-4682
NSN 4140-01-067-0533
NSN 6610-01-407-6416
NSN 6145-01-062-6917
NSN 6685-00-153-3914
NSN 5910-01-043-5265
NSN 5999-01-305-7679
NSN 6610-01-428-7779
NSN 7035-01-330-6768
NSN 5960-01-449-1310