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 5905-01-537-4428
NSN 5920-00-795-6665
NSN 6150-00-899-5690
NSN 6220-01-457-0777
NSN 5985-01-155-9936
NSN 5960-00-372-4876
NSN 5910-01-135-3544
NSN 6105-01-416-4796
NSN 2925-01-607-4340
NSN 5920-01-272-8902
NSN 5895-01-462-2417
NSN 5905-00-105-9013