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 6105-00-904-5289
NSN 5950-00-273-4003
NSN 6145-01-460-6510
NSN 5999-01-525-7937
NSN 5915-01-032-5421
NSN 5905-01-274-4042
NSN 6240-00-824-0924
NSN 6685-00-244-1029
NSN 5925-01-560-9372
NSN 5855-00-125-0780
NSN 5960-00-024-0633
NSN 5925-01-623-3864