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.)
Classification: Nuts of iron or steel
NSN 5990-00-338-9447
NSN 6685-01-392-1513
NSN 5998-01-301-6493
NSN 5910-00-937-7376
NSN 5925-01-146-5528
NSN 4140-01-342-4703
NSN 5990-00-343-4465
NSN 4140-01-634-0330
NSN 5990-00-997-8945
NSN 6220-01-586-9747
NSN 5985-01-050-9118
NSN 6130-01-502-7171