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 5996-01-364-7934
NSN 5910-01-445-1692
NSN 6240-01-488-9811
NSN 4140-01-214-1968
NSN 5998-00-879-4650
NSN 6145-01-045-2594
NSN 6145-00-169-4834
NSN 5920-01-095-4519
NSN 6105-01-498-7068
NSN 6240-00-949-4849
NSN 6110-01-180-8378
NSN 6645-00-909-2143