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 4140-00-814-5987
NSN 5998-00-943-9960
NSN 6105-01-543-6107
NSN 5935-01-532-0270
NSN 6135-01-120-9812
NSN 6320-00-456-2092
NSN 5965-01-641-4960
NSN 6105-00-705-2712
NSN 6650-00-955-0568
NSN 2925-01-065-0060
NSN 6650-00-717-8913
NSN 5996-01-459-0585