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 2925-00-511-0325
NSN 6110-00-344-9432
NSN 5950-00-236-9875
NSN 6150-00-168-2566
NSN 5998-00-119-4560
NSN 6130-00-060-6813
NSN 6150-01-023-1516
NSN 5965-00-246-5612
NSN 5950-00-447-0579
NSN 6685-01-007-9696
NSN 5960-00-333-3540
NSN 6620-01-449-8743