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 2925-01-190-3121
NSN 6645-00-833-2395
NSN 5905-00-562-9986
NSN 6135-00-100-8890
NSN 5965-00-906-8281
NSN 5985-00-966-6338
NSN 6685-01-479-6499
NSN 5925-01-180-5567
NSN 5960-00-486-6972
NSN 4140-01-303-7601
NSN 5920-00-384-8926
NSN 4140-00-232-1039