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 6645-00-932-1464
NSN 5930-00-225-9325
NSN 6130-01-259-5251
NSN 5960-01-411-5899
NSN 5996-01-589-0352
NSN 5945-00-717-2519
NSN 4140-01-541-5738
NSN 5935-01-448-4166
NSN 5855-01-423-1497
NSN 5999-00-517-9393
NSN 5990-00-050-7693
NSN 6145-01-330-6794