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 5895-01-597-0092
NSN 5950-01-201-7926
NSN 5975-01-212-3474
NSN 5950-01-308-5623
NSN 6145-01-542-6946
NSN 6150-01-660-7929
NSN 6135-01-415-1163
NSN 6220-00-752-6018
NSN 5910-01-425-1375
NSN 6645-01-151-6013
NSN 5935-00-598-1235
NSN 5999-01-583-9593