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 6650-01-508-3651
NSN 6320-00-228-5678
NSN 5915-01-252-8683
NSN 6685-01-623-7694
NSN 6145-00-286-9588
NSN 5855-01-603-6141
NSN 5925-01-266-0843
NSN 7035-00-616-4410
NSN 6110-01-287-4425
NSN 6610-01-352-5500
NSN 5930-00-907-3941
NSN 5945-01-275-8448