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 4140-01-353-5031
NSN 5965-01-463-8176
NSN 5895-01-371-8662
NSN 5895-01-634-0630
NSN 5999-01-627-9948
NSN 6130-01-089-8154
NSN 2925-01-058-1718
NSN 6240-00-880-1054
NSN 5998-00-985-1986
NSN 5985-01-548-4379
NSN 6220-01-507-7172
NSN 5835-00-912-5656