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 6240-00-594-7138
NSN 5855-01-548-1555
NSN 6130-00-060-2565
NSN 2925-01-624-5647
NSN 6650-01-346-7678
NSN 5895-00-092-1476
NSN 6240-01-218-5187
NSN 5975-00-734-6243
NSN 5985-01-597-1371
NSN 6150-00-284-9133
NSN 5920-00-781-9317
NSN 6645-01-364-0867