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 6240-01-246-0102
NSN 5985-01-519-5002
NSN 2925-00-142-0641
NSN 7035-00-392-5417
NSN 6150-01-319-1941
NSN 5965-00-906-1442
NSN 5998-01-535-6790
NSN 5910-00-254-1605
NSN 6240-00-270-8182
NSN 6650-00-654-6950
NSN 5925-01-606-8674
NSN 5999-00-579-0282