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 5945-01-217-8690
NSN 5855-01-453-1549
NSN 6645-01-386-6311
NSN 5950-00-905-9788
NSN 5910-01-577-0389
NSN 2925-01-257-0695
NSN 6110-01-487-4532
NSN 5915-00-244-1702
NSN 5965-01-261-6073
NSN 5950-00-104-1489
NSN 5925-01-492-4782
NSN 5945-00-932-5219