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 6150-01-234-7489
NSN 6320-01-399-6177
NSN 5920-01-393-4988
NSN 6145-00-500-0904
NSN 5990-00-170-9553
NSN 5960-00-185-7244
NSN 6110-01-610-3039
NSN 5935-01-227-9345
NSN 5996-00-136-1240
NSN 4140-00-104-6843
NSN 6685-01-623-9942
NSN 5835-00-516-8675