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 6685-00-784-0516
NSN 5945-01-556-5893
NSN 5950-01-390-6629
NSN 5999-01-102-5851
NSN 6110-00-284-1161
NSN 5999-01-113-5820
NSN 5999-01-415-3897
NSN 5975-01-492-5505
NSN 5999-01-543-1300
NSN 6650-01-463-8405
NSN 5975-00-337-0448
NSN 6145-00-095-2492