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 5985-01-272-4116
NSN 5996-01-472-9419
NSN 2925-01-030-6580
NSN 5998-00-074-3991
NSN 5920-01-531-4575
NSN 6130-01-233-6609
NSN 4140-00-786-3237
NSN 4140-00-255-7799
NSN 6685-00-729-6498
NSN 6145-01-609-8830
NSN 6135-00-444-1402
NSN 5990-01-207-8684