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 6240-01-140-5671
NSN 5996-01-378-5612
NSN 5990-00-890-3822
NSN 6650-01-492-1440
NSN 5999-01-352-1054
NSN 5960-01-495-0859
NSN 6110-00-774-1792
NSN 7035-01-327-4456
NSN 6645-01-229-3369
NSN 6105-01-361-8352
NSN 5975-01-534-7566
NSN 5998-01-148-8591