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 6150-00-434-5751
NSN 5855-01-263-7669
NSN 5930-00-116-0531
NSN 6650-01-516-2287
NSN 6135-01-092-4734
NSN 5895-01-604-3255
NSN 5930-01-526-8716
NSN 5985-00-756-4370
NSN 5930-00-156-3700
NSN 6645-01-356-8252
NSN 5925-01-490-2649
NSN 5965-01-491-4983