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 5965-01-542-8510
NSN 5855-01-516-9915
NSN 5905-01-361-9076
NSN 6110-01-119-6076
NSN 6105-00-827-6242
NSN 5975-00-292-3250
NSN 5935-01-616-4281
NSN 2925-01-317-6973
NSN 6610-01-089-2487
NSN 6130-00-728-9621
NSN 6320-00-115-0883
NSN 6135-01-268-2152