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 6685-00-171-9815
NSN 4140-00-410-2581
NSN 5999-00-872-2059
NSN 5998-01-621-6988
NSN 5998-00-455-0711
NSN 6135-00-628-1142
NSN 6240-01-460-2097
NSN 5990-01-447-7779
NSN 5998-00-813-3076
NSN 6645-01-025-1002
NSN 5855-00-466-2309
NSN 7035-01-146-7096