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 5905-00-968-7953
NSN 5985-00-605-7365
NSN 2925-00-251-0105
NSN 6240-01-444-0808
NSN 6610-01-224-6949
NSN 5985-01-121-9671
NSN 5996-00-079-0384
NSN 5835-01-576-9013
NSN 5930-01-421-3005
NSN 5920-01-454-9374
NSN 6320-01-442-8604
NSN 6150-01-389-4289