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 6145-01-112-2573
NSN 5945-01-277-0817
NSN 5905-01-108-5889
NSN 5920-01-115-9710
NSN 5905-00-081-2221
NSN 5910-01-408-8715
NSN 6610-01-297-7004
NSN 5950-00-900-9387
NSN 4140-01-023-8846
NSN 5998-00-891-5932
NSN 5985-01-447-3823
NSN 5998-01-538-4682