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 5965-01-294-1396
NSN 5855-00-688-9954
NSN 6685-01-364-4151
NSN 2925-00-562-4836
NSN 6130-00-702-6815
NSN 6320-01-325-3620
NSN 2925-00-139-8309
NSN 5925-01-401-5314
NSN 6130-01-027-0762
NSN 5905-01-390-4298
NSN 5985-01-024-9640
NSN 2925-01-381-5307