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 4140-01-327-9470
NSN 6110-01-571-9934
NSN 6110-00-196-8813
NSN 5920-00-366-0111
NSN 6620-01-169-2406
NSN 5895-01-578-1075
NSN 6150-01-200-1641
NSN 5985-00-027-6658
NSN 5915-01-521-7194
NSN 5975-01-235-8071
NSN 6105-00-889-9935
NSN 4140-01-647-3087