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 6150-01-619-1756
NSN 6130-00-159-8659
NSN 6610-01-364-0197
NSN 5985-01-409-2865
NSN 6620-00-518-3595
NSN 6130-00-153-9468
NSN 6650-01-564-3452
NSN 5895-01-290-2975
NSN 5965-01-101-9094
NSN 2925-01-039-6856
NSN 6220-01-323-9410
NSN 6105-01-522-7622