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 5985-01-148-1879
NSN 7035-01-391-7470
NSN 6320-01-322-8340
NSN 5935-01-165-6516
NSN 6150-00-403-5968
NSN 5935-01-166-5883
NSN 5965-01-521-7214
NSN 6685-00-759-4097
NSN 6145-00-201-1330
NSN 5910-01-458-5069
NSN 5920-00-119-1406
NSN 5835-00-787-8122