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 5985-01-431-4251
NSN 6150-01-590-3289
NSN 5996-00-699-4468
NSN 5930-01-383-6204
NSN 6145-01-333-8191
NSN 7035-00-679-9027
NSN 5996-01-187-4292
NSN 6650-01-328-0546
NSN 6150-01-138-0459
NSN 6685-01-106-0962
NSN 6130-01-507-0302
NSN 6105-00-992-9008