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 5945-01-417-2146
NSN 5930-01-381-1059
NSN 6685-00-244-0964
NSN 6685-01-491-5620
NSN 5855-00-337-3679
NSN 5999-01-365-6600
NSN 5975-01-281-4566
NSN 5985-01-068-4520
NSN 5975-01-385-9331
NSN 6645-01-240-5499
NSN 5925-01-426-6923
NSN 5910-01-502-4313