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 5855-00-149-0766
NSN 5945-01-158-8229
NSN 5965-01-225-1728
NSN 2925-00-238-1668
NSN 5975-00-071-6918
NSN 5999-01-464-2828
NSN 4140-00-635-9195
NSN 2925-01-228-6554
NSN 4140-01-561-5099
NSN 6105-00-811-7605
NSN 4140-00-147-8971
NSN 6610-01-268-8456