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 6685-00-452-6257
NSN 5965-00-461-2594
NSN 5915-01-017-5503
NSN 6220-00-383-7354
NSN 7035-01-516-6657
NSN 6105-00-252-3233
NSN 6145-01-078-5217
NSN 6110-01-310-2474
NSN 6320-01-359-3921
NSN 5910-00-848-8601
NSN 6150-01-392-5143
NSN 5990-00-581-5947