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 6620-00-450-2532
NSN 6320-01-419-1225
NSN 5905-01-432-5546
NSN 4140-00-931-1136
NSN 6135-01-348-2410
NSN 6150-01-634-0575
NSN 5895-01-417-2700
NSN 6650-00-469-2218
NSN 5835-00-491-3834
NSN 5910-01-403-2812
NSN 6645-01-363-5944
NSN 6105-00-151-7528