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 5965-00-196-7320
NSN 5998-01-590-3998
NSN 5920-01-344-2403
NSN 6110-01-304-0824
NSN 5910-01-493-3073
NSN 6150-00-646-7923
NSN 5935-00-513-9606
NSN 6130-00-782-6983
NSN 6685-01-503-2325
NSN 5930-01-528-4802
NSN 5915-01-230-3804
NSN 5996-00-768-2845