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 5910-00-080-7561
NSN 4140-01-500-2334
NSN 5990-01-633-9503
NSN 6610-00-209-4372
NSN 6610-01-372-9248
NSN 5915-01-496-4687
NSN 5985-01-471-1651
NSN 5910-00-850-4524
NSN 5915-01-029-4128
NSN 5998-01-443-3465
NSN 6650-00-890-0480
NSN 5905-00-528-9046