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 5855-01-110-9564
NSN 6645-01-069-3286
NSN 6320-00-242-3300
NSN 5920-00-146-1314
NSN 6110-01-459-7709
NSN 5895-01-503-3360
NSN 5910-01-312-2206
NSN 5998-01-398-6257
NSN 5998-01-143-0428
NSN 5895-00-732-2433
NSN 6620-01-628-2620
NSN 6135-01-644-9348