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 5925-01-413-7673
NSN 6685-00-181-2560
NSN 6320-01-243-2276
NSN 4140-00-679-3899
NSN 6110-01-441-1623
NSN 5855-01-308-0955
NSN 5985-01-582-0926
NSN 5965-00-424-9636
NSN 5920-01-247-5299
NSN 2925-01-570-3690
NSN 5990-01-216-1276
NSN 5935-01-074-6775