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 6685-01-381-0759
NSN 5985-01-153-2657
NSN 6610-01-102-2256
NSN 6150-01-141-1685
NSN 5945-01-215-1190
NSN 5930-00-761-6012
NSN 2925-01-277-5882
NSN 6320-01-211-6578
NSN 6650-01-436-8558
NSN 6150-01-479-5191
NSN 5910-01-190-0705
NSN 5965-00-617-5731