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 5975-01-561-5133
NSN 6645-01-069-0072
NSN 5950-01-365-0392
NSN 7035-01-113-6492
NSN 6105-00-992-1244
NSN 2925-00-365-3289
NSN 5950-01-532-7890
NSN 5930-00-487-3914
NSN 6685-01-518-2448
NSN 5985-01-437-8863
NSN 5998-00-419-3662
NSN 6650-01-120-6231