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 5925-00-128-9376
NSN 5996-00-376-1992
NSN 6240-01-301-8668
NSN 6135-00-754-8191
NSN 6685-01-390-3859
NSN 5905-00-868-2455
NSN 2925-01-340-5504
NSN 6610-01-021-5068
NSN 5999-00-573-5663
NSN 6220-00-125-3805
NSN 5930-01-432-7422
NSN 6130-00-070-6140