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 6220-01-490-5681
NSN 5990-01-363-3370
NSN 2925-01-254-3068
NSN 6110-01-211-8879
NSN 5915-01-381-2519
NSN 7035-01-321-1555
NSN 5855-01-057-2200
NSN 5835-00-322-5654
NSN 5990-01-321-2997
NSN 5999-01-062-2923
NSN 6610-00-374-1563
NSN 5950-01-394-8443