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 5999-01-227-5001
NSN 5935-01-445-5649
NSN 5835-01-442-6482
NSN 6320-01-525-4789
NSN 6220-01-487-3904
NSN 5910-01-547-3028
NSN 5925-01-527-1636
NSN 5915-01-080-0064
NSN 5945-01-508-5735
NSN 5965-01-092-9536
NSN 6320-01-425-1417
NSN 6135-01-422-1440