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 6110-00-583-9821
NSN 6220-01-519-2252
NSN 5920-00-581-6126
NSN 6610-00-550-6913
NSN 6150-01-441-9300
NSN 6685-00-901-7219
NSN 6240-01-254-6019
NSN 5925-01-415-0261
NSN 6610-01-393-9667
NSN 6610-00-421-9853
NSN 5945-01-634-0588
NSN 5905-00-764-3559