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 5855-01-246-6876
NSN 5950-01-140-7530
NSN 5945-01-361-4404
NSN 6610-01-448-8904
NSN 5945-01-265-8589
NSN 6135-01-351-2690
NSN 5930-01-018-0999
NSN 5985-01-514-8314
NSN 5915-01-406-6540
NSN 2925-00-928-0045
NSN 2925-01-424-7674
NSN 5999-00-795-8032