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 6145-01-144-2374
NSN 6650-00-207-9639
NSN 6645-00-429-0172
NSN 5905-01-284-6841
NSN 5855-00-337-3679
NSN 6150-00-174-5029
NSN 6645-01-649-8227
NSN 5855-01-324-3756
NSN 5855-00-149-0766
NSN 5985-01-565-5158
NSN 4140-00-175-9114
NSN 6650-00-276-9838