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 7035-01-400-3666
NSN 6105-01-183-3135
NSN 6620-01-091-9697
NSN 5996-01-322-6770
NSN 5998-01-386-8806
NSN 6645-01-039-4259
NSN 5965-01-378-7335
NSN 5930-01-249-8206
NSN 6620-01-564-1810
NSN 6145-00-678-0429
NSN 5835-00-269-2232
NSN 6220-01-549-8057