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 5996-01-462-0112
NSN 6610-01-522-5751
NSN 5950-01-410-8776
NSN 6610-01-642-1752
NSN 5895-01-541-5483
NSN 6240-01-269-1807
NSN 6685-01-535-5955
NSN 5935-00-204-5177
NSN 6150-01-418-2593
NSN 5996-01-534-7302
NSN 5905-01-218-8275
NSN 6135-01-554-8523