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 6685-00-401-8558
NSN 6150-00-246-6673
NSN 5999-01-464-7698
NSN 5895-01-323-4405
NSN 5975-00-684-8188
NSN 5925-01-369-9526
NSN 5999-00-764-0482
NSN 2925-01-197-7864
NSN 5915-01-308-7573
NSN 6240-00-971-7127
NSN 5945-01-631-5431
NSN 5998-01-554-1199