An item which, by rising and descending within a gage tube in response to a rate of flow, indicates on a graduated scale the volume of flow.
NSN 5915-01-133-3683
NSN 2925-01-014-0118
NSN 5925-01-462-5933
NSN 5960-00-227-8693
NSN 6650-01-487-6274
NSN 6685-00-377-9044
NSN 5855-01-433-1217
NSN 5990-01-588-3999
NSN 5945-00-584-2046
NSN 6220-00-343-0182
NSN 5965-01-050-8447
NSN 5855-01-281-9700