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 5855-00-177-3529
NSN 5996-00-469-4266
NSN 6110-01-413-3156
NSN 5960-01-367-0981
NSN 5950-00-144-4139
NSN 6685-01-283-2311
NSN 6620-01-147-8439
NSN 5935-01-292-4846
NSN 6320-01-072-2073
NSN 5915-00-757-5372
NSN 6620-00-273-1511
NSN 5945-01-551-1714