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 6650-00-177-6390
NSN 5999-01-043-9160
NSN 6620-01-266-8894
NSN 5965-01-247-5696
NSN 6220-01-626-3162
NSN 5945-00-480-5164
NSN 6320-00-139-1090
NSN 6130-01-570-3241
NSN 5935-01-345-3198
NSN 5920-01-363-6554
NSN 6320-00-564-2772
NSN 5925-00-732-1929