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 4140-01-347-0060
NSN 6620-01-323-7620
NSN 6135-00-080-9176
NSN 5999-01-277-3562
NSN 5996-01-208-1726
NSN 6645-01-591-3970
NSN 5999-01-147-0744
NSN 5999-01-322-4477
NSN 6135-01-495-0933
NSN 6620-00-162-9877
NSN 6150-00-779-5547
NSN 5945-00-107-7334