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 6150-01-423-9989
NSN 6685-01-090-8497
NSN 5975-00-210-4652
NSN 5996-01-145-0237
NSN 6150-00-596-9882
NSN 5915-01-510-9763
NSN 5895-01-421-2611
NSN 6135-01-465-8061
NSN 6220-01-574-3669
NSN 5990-01-571-7468
NSN 7035-01-232-7263
NSN 6135-00-448-5642