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 5910-00-689-5101
NSN 6620-00-150-6514
NSN 4140-01-395-3912
NSN 5990-01-317-4427
NSN 6105-01-119-3514
NSN 5990-01-179-1000
NSN 5930-01-658-6236
NSN 5999-01-511-0097
NSN 5975-01-225-8050
NSN 5905-00-846-2219
NSN 6645-01-399-0329
NSN 6145-01-544-1570