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 5950-01-569-2122
NSN 6150-01-604-9808
NSN 5915-01-431-9009
NSN 6320-00-646-3311
NSN 6620-00-249-7034
NSN 6320-01-084-7456
NSN 4140-01-592-6145
NSN 2925-01-079-6229
NSN 5998-01-327-0006
NSN 6645-01-434-5674
NSN 6105-01-296-8504
NSN 6145-01-537-1761