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 5905-01-159-5548
NSN 5999-01-649-0874
NSN 5990-01-219-9018
NSN 6150-01-256-0994
NSN 6650-00-166-2281
NSN 5999-00-664-1818
NSN 5965-01-483-1610
NSN 5960-00-285-1001
NSN 7035-01-535-6945
NSN 6105-01-421-5706
NSN 5895-01-565-7303
NSN 6150-01-025-0423