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 6620-01-054-9346
NSN 6110-00-883-3505
NSN 6650-01-019-3441
NSN 5935-00-243-8609
NSN 6620-01-168-8450
NSN 5998-01-361-4233
NSN 5905-01-202-8489
NSN 7035-01-559-0636
NSN 6320-00-456-0836
NSN 6685-01-570-8373
NSN 6685-01-568-9814
NSN 6650-01-230-5155