For tri-tec corp
A valve that controls flow by a circular disk, or a pair of semicircular disks, attached to a common spindle or lever turning on a diametral axis.
NSN 5998-01-302-4224
NSN 5985-00-324-0331
NSN 5920-00-006-1919
NSN 5910-01-477-4030
NSN 7035-01-019-5729
NSN 5905-01-413-5978
NSN 6105-00-250-8558
NSN 5930-01-417-7843
NSN 5960-01-126-5767
NSN 5905-00-570-8267
NSN 6645-01-307-2638
NSN 6240-00-201-9011