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 6320-00-853-1920
NSN 4140-00-621-2918
NSN 5975-00-719-4942
NSN 5999-01-285-6577
NSN 5950-01-206-4800
NSN 6610-01-446-7635
NSN 5915-00-067-4227
NSN 5920-01-429-4631
NSN 5990-01-294-6198
NSN 2925-01-548-6674
NSN 5835-00-155-1379
NSN 5950-00-272-9398