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 5910-01-218-5987
NSN 5920-01-634-0250
NSN 5998-00-941-9279
NSN 6650-01-466-5615
NSN 6130-01-142-4522
NSN 6145-00-162-1222
NSN 5998-00-180-1005
NSN 5945-00-424-4160
NSN 5998-01-321-0372
NSN 6645-00-833-2395
NSN 6620-01-480-6887
NSN 5950-01-362-3460