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 6320-01-607-1491
NSN 5999-01-073-2617
NSN 5895-00-487-5750
NSN 5950-01-594-6456
NSN 5835-00-926-0195
NSN 6145-00-490-5497
NSN 6320-01-512-2031
NSN 5895-01-063-3437
NSN 5925-01-374-1489
NSN 5915-00-452-2227
NSN 5855-00-797-8217
NSN 6320-01-616-0843