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 6240-00-397-3864
NSN 6105-00-542-6758
NSN 6240-01-272-5893
NSN 6650-01-014-5990
NSN 5945-01-053-3279
NSN 6650-01-106-1868
NSN 5990-01-529-6347
NSN 5835-01-357-1247
NSN 5990-01-432-4249
NSN 5930-01-333-0293
NSN 5910-00-558-4758
NSN 5965-00-941-4957