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 6220-00-932-4992
NSN 6650-01-581-7526
NSN 6150-01-051-0386
NSN 6145-01-225-8494
NSN 5965-01-003-2641
NSN 6685-00-463-1280
NSN 6135-01-421-3189
NSN 7035-01-608-2313
NSN 2925-00-928-5931
NSN 7035-00-420-1310
NSN 5930-01-461-2904
NSN 5945-01-281-7404