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 5945-01-449-3376
NSN 5925-00-660-3892
NSN 6645-00-150-6526
NSN 6240-01-581-2000
NSN 6145-00-539-9799
NSN 6105-00-983-3743
NSN 2925-00-923-4397
NSN 6620-00-035-5813
NSN 6110-00-271-9928
NSN 6645-01-213-1739
NSN 5905-01-605-3054
NSN 5935-01-414-2647