Valve has the body of a gate valve, only with a butterfly disk.
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 5905-01-074-4463
NSN 5999-01-263-2566
NSN 6135-01-142-2417
NSN 2925-01-320-6512
NSN 6220-01-246-7534
NSN 6135-00-708-0892
NSN 5999-01-311-6492
NSN 5965-00-870-1980
NSN 5905-01-578-3447
NSN 6150-01-624-2025
NSN 5835-01-095-8851
NSN 5950-00-270-4701