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 5998-00-607-9921
NSN 5855-01-162-5251
NSN 5915-01-274-5485
NSN 5965-00-845-1905
NSN 5930-00-148-9247
NSN 6685-00-468-4223
NSN 6320-01-172-6103
NSN 5965-01-475-0666
NSN 5996-00-114-0233
NSN 4140-00-567-9291
NSN 6145-01-359-2378
NSN 5985-01-429-0876