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 5998-00-999-8700
NSN 5835-01-044-2628
NSN 6685-01-592-9681
NSN 2925-01-603-2033
NSN 6145-01-332-0925
NSN 5915-01-198-0083
NSN 6685-01-391-2119
NSN 5999-01-434-3168
NSN 6685-01-086-4715
NSN 6645-01-643-0297
NSN 6130-01-393-3655
NSN 5998-00-485-9684