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 5990-01-122-9149
NSN 5965-01-131-4078
NSN 5996-00-278-5193
NSN 6105-01-023-2144
NSN 6135-01-447-3086
NSN 5965-00-421-6459
NSN 5920-01-442-0655
NSN 6110-01-012-1759
NSN 7035-01-333-9298
NSN 6220-00-917-8170
NSN 6685-01-617-2815
NSN 5945-00-026-1216