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 6240-01-615-3168
NSN 6610-00-330-4361
NSN 6240-00-872-3365
NSN 5990-01-462-1617
NSN 5960-00-491-8941
NSN 5985-01-442-3201
NSN 5975-01-589-1909
NSN 7035-00-631-3782
NSN 5975-00-587-4871
NSN 5945-01-052-1876
NSN 5945-01-032-0432
NSN 6240-01-419-5923