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 6620-01-628-2620
NSN 5855-01-013-6864
NSN 4140-00-608-5654
NSN 4140-00-365-2531
NSN 5905-00-548-1645
NSN 6130-01-318-1420
NSN 5935-00-386-9154
NSN 5930-00-151-4787
NSN 6240-01-501-8865
NSN 6150-00-409-2378
NSN 5855-00-357-1158
NSN 5920-00-621-6601