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 5990-00-285-1948
NSN 5998-00-107-2419
NSN 6135-01-463-2445
NSN 5905-00-510-7626
NSN 5985-00-962-5789
NSN 5905-01-562-1292
NSN 6105-00-034-6053
NSN 6610-00-290-0758
NSN 5945-01-268-2734
NSN 5925-00-533-1547
NSN 5920-01-131-1859
NSN 6145-01-199-2311