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 6130-01-202-1403
NSN 6135-01-079-7852
NSN 5910-01-212-9520
NSN 6220-00-632-3515
NSN 6650-01-462-0830
NSN 6645-01-457-8642
NSN 7035-00-929-0363
NSN 6150-01-262-8612
NSN 5998-01-412-0340
NSN 6145-01-349-8995
NSN 6145-01-414-0271
NSN 6110-00-647-3932