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 5945-01-175-2179
NSN 5985-01-594-5972
NSN 5998-01-261-5617
NSN 5895-00-615-4947
NSN 5925-01-300-4368
NSN 6685-00-042-3218
NSN 5998-01-259-4054
NSN 6105-01-168-4858
NSN 5925-01-452-3858
NSN 5975-01-068-3705
NSN 6135-01-090-5365
NSN 5965-00-871-2678