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 2925-00-038-0596
NSN 6620-00-757-7511
NSN 5905-00-389-6252
NSN 5920-01-290-3771
NSN 6685-01-162-6977
NSN 6645-00-641-3202
NSN 5925-01-050-8195
NSN 5915-00-901-4620
NSN 6220-00-140-4158
NSN 5905-01-129-1569
NSN 4140-01-379-4430
NSN 5999-00-064-7864