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 5910-01-066-9385
NSN 5999-00-584-4577
NSN 6135-01-014-9755
NSN 6145-00-161-1611
NSN 2925-01-359-4027
NSN 6145-01-369-0072
NSN 6320-00-572-5753
NSN 5920-00-699-1927
NSN 6650-01-310-7403
NSN 6620-01-415-5803
NSN 6320-01-094-2634
NSN 7035-00-541-8516