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 5998-01-236-5884
NSN 5975-01-283-4085
NSN 5965-00-362-2158
NSN 5985-00-280-3490
NSN 5925-00-361-8836
NSN 6145-01-024-9211
NSN 5910-00-799-5682
NSN 6105-00-826-1359
NSN 5990-01-313-5543
NSN 6135-01-423-7502
NSN 5855-01-621-2725
NSN 5855-01-088-8700