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 5960-00-546-7533
NSN 5996-01-160-3229
NSN 6135-01-326-2536
NSN 5965-01-213-7256
NSN 6220-01-480-2741
NSN 5960-00-932-3067
NSN 6220-01-100-2703
NSN 5835-00-407-6820
NSN 5999-00-918-4542
NSN 5950-00-000-0146
NSN 6240-00-435-9730
NSN 6135-01-575-5061