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 5935-00-726-1736
NSN 5996-01-607-5845
NSN 5930-00-988-5483
NSN 6240-01-331-3410
NSN 5855-01-175-2465
NSN 6135-01-142-6456
NSN 5855-01-406-7237
NSN 5915-01-152-1263
NSN 6220-00-704-9823
NSN 6645-01-502-3068
NSN 5920-01-604-5820
NSN 4140-01-599-3244