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 4140-00-314-1025
NSN 5945-01-634-0588
NSN 7035-01-029-7221
NSN 6130-01-359-9321
NSN 6110-00-660-8415
NSN 5925-01-325-8920
NSN 5935-00-216-7435
NSN 6645-01-585-8628
NSN 5930-01-304-3344
NSN 6620-01-104-5758
NSN 5996-01-006-2324
NSN 5910-01-178-5675