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 5930-01-196-7151
NSN 6320-01-585-8468
NSN 6220-01-166-0004
NSN 5935-01-478-0507
NSN 5915-00-043-6081
NSN 5990-01-263-9364
NSN 5950-01-191-5344
NSN 6130-01-547-7437
NSN 5985-00-912-6618
NSN 5990-00-788-3829
NSN 5965-01-093-0642
NSN 6135-00-351-8606