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 5895-00-846-3304
NSN 6240-01-462-5433
NSN 5925-01-254-9380
NSN 5895-01-068-4764
NSN 6220-01-653-8585
NSN 5905-00-247-3650
NSN 6650-01-396-8890
NSN 5915-01-559-0396
NSN 5985-01-464-0410
NSN 4140-00-229-8467
NSN 6105-01-378-1430
NSN 5905-01-196-6154