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 5910-01-600-0199
NSN 4140-01-634-0330
NSN 5895-01-550-9058
NSN 5945-00-823-6156
NSN 5965-01-535-5789
NSN 6150-00-350-1932
NSN 5999-01-559-0574
NSN 5910-01-411-5366
NSN 5975-00-551-3152
NSN 6135-00-161-0746
NSN 6105-01-550-7338
NSN 7035-01-206-2623