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 6130-01-380-3458
NSN 2925-00-064-6629
NSN 6320-01-046-5228
NSN 5855-01-444-3916
NSN 6220-00-512-9472
NSN 5998-01-068-3744
NSN 5999-00-778-0116
NSN 7035-01-053-4769
NSN 5985-01-659-4790
NSN 2925-01-068-3844
NSN 2925-00-233-5644
NSN 5975-00-564-6680