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 5895-01-085-9706
NSN 5905-01-178-0155
NSN 5975-00-760-8214
NSN 2925-01-014-8007
NSN 5855-01-515-7005
NSN 5925-01-359-6329
NSN 5998-00-292-9515
NSN 5985-00-062-4507
NSN 6240-01-615-3168
NSN 5925-01-013-8329
NSN 5925-01-504-0934
NSN 7035-00-108-4421