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 5895-01-481-4261
NSN 5915-00-518-0851
NSN 6110-00-840-6560
NSN 5998-00-286-3590
NSN 5835-00-368-4182
NSN 5835-01-024-9249
NSN 6685-00-792-3168
NSN 5895-00-790-2785
NSN 7035-01-250-4268
NSN 6685-01-519-0430
NSN 5999-00-112-0511
NSN 6685-00-228-6983