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.
Classification: Butterfly type taps, cocks and valves of steel, hand operated
NSN 5905-00-985-0544
NSN 5998-01-397-6358
NSN 6135-00-221-4720
NSN 5915-01-382-6364
NSN 4140-01-528-4697
NSN 5895-01-609-8294
NSN 5915-01-542-5983
NSN 6130-00-921-4448
NSN 5975-00-889-0496
NSN 6685-01-283-5593
NSN 5990-01-564-9532
NSN 5925-00-414-1433