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 6240-00-627-9007
NSN 5920-00-130-3593
NSN 5996-01-391-2714
NSN 5905-01-415-2902
NSN 6130-01-198-3313
NSN 4140-01-518-9774
NSN 5990-00-444-0612
NSN 6320-01-465-2028
NSN 5996-01-239-3928
NSN 6240-00-578-1965
NSN 5920-01-217-1637
NSN 5835-01-560-3486