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 6620-00-148-9613
NSN 7035-01-432-2424
NSN 2925-01-222-7764
NSN 5965-01-119-8237
NSN 5960-01-331-3817
NSN 5998-01-358-7047
NSN 6130-00-618-0175
NSN 5910-00-980-0430
NSN 6135-01-604-8739
NSN 6650-01-490-3811
NSN 5996-01-426-8531
NSN 5950-00-258-4445