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 6220-01-187-1028
NSN 5905-01-553-7788
NSN 6645-00-429-0172
NSN 7035-01-339-3665
NSN 5998-01-028-5333
NSN 6150-01-068-3695
NSN 5920-01-231-8520
NSN 5945-01-309-7366
NSN 5985-01-372-9589
NSN 5998-00-959-6885
NSN 5945-01-351-9550
NSN 6685-01-607-7300