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 5996-00-846-3300
NSN 6685-01-056-5283
NSN 5905-00-244-6205
NSN 6620-01-287-8073
NSN 6685-00-990-9093
NSN 5985-00-004-2764
NSN 4140-00-226-9807
NSN 5996-01-128-7031
NSN 5998-01-567-2780
NSN 5835-01-263-1293
NSN 7035-00-896-3213
NSN 5950-01-188-7776