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 2925-00-905-2655
NSN 4140-01-453-5596
NSN 6220-01-126-7693
NSN 6610-00-099-4096
NSN 6620-01-601-4314
NSN 6105-01-587-5610
NSN 5910-01-449-0427
NSN 5990-00-020-9689
NSN 6610-01-244-3416
NSN 5905-01-112-8394
NSN 5996-01-235-1643
NSN 2925-00-710-1879