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 5905-00-853-5781
NSN 5855-01-469-2798
NSN 5975-01-278-5834
NSN 6620-01-346-6575
NSN 5999-00-887-0824
NSN 6135-01-502-8771
NSN 5930-01-415-3111
NSN 5996-00-012-8639
NSN 5905-00-567-4959
NSN 6130-01-634-0603
NSN 6320-00-228-5678
NSN 6145-01-417-5750