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 4140-00-803-8997
NSN 6130-00-830-9974
NSN 6135-01-319-5567
NSN 5960-01-622-0393
NSN 5975-01-425-1669
NSN 5985-00-617-0915
NSN 6145-00-099-8986
NSN 5855-01-324-3756
NSN 5998-01-421-7428
NSN 5895-01-228-5874
NSN 5960-01-258-6708
NSN 6650-00-153-3155