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 5975-00-978-7190
NSN 5998-00-258-3142
NSN 5910-01-333-4232
NSN 5998-01-220-4960
NSN 5998-01-487-7695
NSN 5855-01-425-1330
NSN 5835-00-269-2232
NSN 5855-01-177-4751
NSN 5930-01-317-7967
NSN 5998-01-115-1489
NSN 6650-01-015-6133
NSN 5965-01-186-2051