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 5920-01-528-8136
NSN 5835-00-794-7500
NSN 6685-01-254-4716
NSN 6320-01-526-5534
NSN 5915-00-167-0306
NSN 6685-00-513-4971
NSN 6620-01-513-9674
NSN 6685-01-069-2683
NSN 5920-01-491-8982
NSN 6240-01-305-3416
NSN 6145-01-401-3713
NSN 6650-01-191-9059