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 6105-01-231-9823
NSN 6110-01-183-5480
NSN 6685-00-657-4697
NSN 6620-01-583-8155
NSN 6150-00-306-0157
NSN 6240-00-986-8814
NSN 5855-00-610-4052
NSN 2925-00-275-1807
NSN 6240-01-014-7530
NSN 5960-00-287-9932
NSN 6110-01-139-4646
NSN 5925-00-311-2341