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 4140-01-406-3292
NSN 6105-01-464-2083
NSN 6620-01-213-8772
NSN 5999-01-034-8855
NSN 5835-00-898-0201
NSN 5999-01-124-7505
NSN 5895-00-376-5074
NSN 6650-01-233-3578
NSN 6150-01-278-9078
NSN 6130-01-219-4700
NSN 6220-01-114-7420
NSN 6320-01-318-6518