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 2925-01-300-2897
NSN 5975-01-040-5203
NSN 6110-00-284-0242
NSN 7035-01-281-3642
NSN 5855-00-763-2155
NSN 6105-01-485-1129
NSN 2925-01-444-6676
NSN 4140-00-528-2921
NSN 5950-00-958-6097
NSN 5965-01-037-1720
NSN 6105-01-574-1656
NSN 6145-01-536-0189