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 4140-00-205-6491
NSN 6130-01-475-6051
NSN 6650-00-283-0978
NSN 6685-01-297-0965
NSN 6110-00-948-3204
NSN 5998-01-573-7441
NSN 5925-01-512-6053
NSN 5895-01-544-1419
NSN 6645-01-284-6533
NSN 2925-01-140-8957
NSN 5910-01-252-8820
NSN 6320-00-701-0437