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 6610-00-186-9180
NSN 5985-01-026-8955
NSN 5935-01-258-6857
NSN 5935-01-459-7133
NSN 5996-01-263-3539
NSN 6105-01-263-5403
NSN 5945-01-410-7733
NSN 6685-01-233-6872
NSN 5895-01-122-7620
NSN 6145-01-313-4323
NSN 6220-01-258-8185
NSN 5960-01-512-0233