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 5960-01-120-6523
NSN 5965-01-548-8823
NSN 5998-01-194-3358
NSN 2925-00-156-0999
NSN 5975-01-634-0678
NSN 6320-01-283-1300
NSN 5999-01-588-2539
NSN 6130-00-726-0425
NSN 5910-00-833-6558
NSN 6610-01-527-8006
NSN 6650-01-364-1313
NSN 6130-01-086-3412