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 6220-00-284-3220
NSN 6130-00-158-4792
NSN 5915-01-113-7872
NSN 5855-01-456-2340
NSN 5945-01-069-8586
NSN 5996-01-155-2467
NSN 6150-00-209-8026
NSN 6320-01-116-3980
NSN 5855-00-631-4565
NSN 5835-01-111-9838
NSN 6110-00-941-9231
NSN 6320-01-006-6138