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 6130-01-605-3558
NSN 6130-01-567-6378
NSN 5996-01-633-7979
NSN 5920-01-191-9847
NSN 6145-01-163-0664
NSN 5990-00-164-1198
NSN 6145-01-412-8676
NSN 5920-01-556-1413
NSN 5960-00-067-3954
NSN 4140-01-593-6467
NSN 5930-01-432-0429
NSN 4140-01-622-6028