Thread is metric; all sides are chamfered 10 degrees min., 20 degrees max.: nut is corrosion resistent, electro deposited nickel .0001-.0002 in. Thick
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 5915-00-785-6428
NSN 6150-00-146-7744
NSN 6110-01-293-3346
NSN 5996-01-192-8606
NSN 5965-01-473-0825
NSN 6685-01-484-8677
NSN 5835-01-580-0446
NSN 5999-01-455-9402
NSN 5915-01-250-6809
NSN 5998-01-250-2461
NSN 6105-00-246-5311
NSN 5930-01-125-5843