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 5895-01-428-9101
NSN 5925-01-561-8839
NSN 2925-00-335-7119
NSN 5855-01-122-9418
NSN 5855-01-400-1590
NSN 5996-01-368-2906
NSN 6150-01-126-8949
NSN 6105-01-198-3069
NSN 6105-00-159-7801
NSN 5960-01-632-6576
NSN 5960-01-272-5642
NSN 5915-01-541-2031