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 2925-01-422-1542
NSN 7035-01-535-7320
NSN 6135-01-472-9011
NSN 5920-00-521-8331
NSN 5895-01-303-5770
NSN 5895-01-642-3661
NSN 5965-00-026-9408
NSN 5998-00-755-1528
NSN 6135-00-403-0213
NSN 6145-01-259-6439
NSN 5960-01-316-0767
NSN 6240-01-528-8769