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 5996-01-585-7136
NSN 5998-00-731-5800
NSN 6685-01-245-9296
NSN 5996-01-615-1846
NSN 6320-00-521-9350
NSN 5998-01-382-3902
NSN 5925-01-130-8421
NSN 2925-00-707-2741
NSN 5950-01-623-3752
NSN 5920-01-641-4080
NSN 5855-01-625-8679
NSN 5930-01-044-5261