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 4140-00-823-9194
NSN 6135-01-529-8523
NSN 5945-00-424-9484
NSN 5998-01-403-2586
NSN 6610-01-381-3181
NSN 5999-00-344-8652
NSN 5855-01-384-3314
NSN 5975-01-435-6457
NSN 5960-01-546-2379
NSN 5950-00-167-6263
NSN 5920-00-359-9771
NSN 6110-01-204-3842