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 5975-01-523-6269
NSN 5930-00-167-0616
NSN 5855-00-532-0025
NSN 6645-01-561-8760
NSN 5985-00-342-9140
NSN 6320-01-134-7267
NSN 6145-01-454-2444
NSN 5920-00-100-2582
NSN 6685-00-647-3883
NSN 5935-01-643-5493
NSN 5998-00-484-1342
NSN 5905-01-651-1160