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 5920-01-391-5666
NSN 6145-00-762-8286
NSN 5930-01-128-2019
NSN 5835-00-864-4481
NSN 5965-00-433-6181
NSN 6650-01-644-3532
NSN 6650-00-826-7396
NSN 6150-01-207-0896
NSN 6130-01-277-1594
NSN 5999-00-499-4465
NSN 2925-01-030-6580
NSN 5930-00-390-6616