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 6645-00-530-3468
NSN 2925-01-434-6945
NSN 6320-01-416-9357
NSN 7035-00-557-5570
NSN 5905-00-248-5902
NSN 5925-01-063-7107
NSN 5998-00-426-5487
NSN 6685-00-229-3224
NSN 6135-01-445-6157
NSN 6645-01-385-7033
NSN 5960-00-153-7115
NSN 5945-01-255-1861