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 6685-01-421-5399
NSN 6130-01-414-8840
NSN 6320-00-593-0379
NSN 6620-00-565-9793
NSN 6320-01-032-9703
NSN 6320-00-228-5678
NSN 6110-01-165-9306
NSN 5985-01-570-7018
NSN 5905-00-164-0185
NSN 5920-01-504-4936
NSN 7035-00-868-2640
NSN 5960-00-895-0542