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 6320-01-643-0850
NSN 5975-01-573-7195
NSN 5935-01-599-5040
NSN 5965-00-150-1144
NSN 6320-00-456-0836
NSN 6135-01-546-4588
NSN 5910-01-497-6855
NSN 5998-00-792-5318
NSN 5910-00-517-1080
NSN 6150-00-413-4706
NSN 6145-00-551-5288
NSN 6650-01-265-2672