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 5950-00-951-3821
NSN 6150-00-772-0126
NSN 5990-00-968-7685
NSN 5975-00-570-9598
NSN 5855-00-189-6066
NSN 6645-01-656-6416
NSN 5990-01-334-8634
NSN 5998-01-378-5797
NSN 5945-01-350-1997
NSN 6145-01-265-7159
NSN 4140-01-113-0272
NSN 5855-01-107-5925