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 6645-00-522-4173
NSN 5835-01-174-7700
NSN 5960-01-426-4242
NSN 5985-01-202-7919
NSN 5950-00-891-9554
NSN 5999-01-068-4445
NSN 5855-01-388-4345
NSN 6145-00-998-3579
NSN 6610-01-557-6908
NSN 6105-01-090-0661
NSN 6130-01-233-4074
NSN 6145-01-242-7088