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.)
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Turkey Classification: Nuts of iron or steel
NSN 5998-01-073-4989
NSN 6145-00-757-2742
NSN 5990-00-274-3225
NSN 6110-00-245-1814
NSN 6130-01-467-4591
NSN 6145-01-576-9609
NSN 6105-01-411-7377
NSN 5915-00-952-0594
NSN 6645-01-466-2083
NSN 5895-01-125-5984
NSN 6240-01-435-6505
NSN 6620-00-248-6950