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 6240-00-643-4532
NSN 5990-00-332-9426
NSN 4140-01-576-9796
NSN 5975-01-188-2787
NSN 5996-01-022-9447
NSN 5835-00-949-3018
NSN 5935-01-291-2355
NSN 5960-01-507-9112
NSN 5998-01-435-6656
NSN 5835-01-203-7318
NSN 6150-01-329-4346
NSN 5920-01-090-4363