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: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5915-01-189-9449
NSN 6240-00-553-8891
NSN 5915-01-403-2599
NSN 6650-01-222-1749
NSN 5925-01-285-2442
NSN 6105-00-489-1305
NSN 6105-00-940-9829
NSN 5905-01-442-7682
NSN 6150-01-112-0540
NSN 5985-01-547-5953
NSN 5905-01-213-4138
NSN 6320-01-524-9488