According to a report in New York Times, the Congress was notified just days ago about the proposed sale of the additional fighters although it is not clear if the White House plans to announce the sale of the aircraft during Sharif's trip.
Sharif landed in the US on October 20 on a state visit, and is schediuled to meet Obama today.
The new fighter jets would add to Pakistan's sizable force of fighter jets which includes more than 70 F-16s and dozens of French and Chinese attack aircraft, it said.
Dawn newspaper reported that in May this year, the US handed over to Pakistan over 14 combat aircraft, 59 military trainer jets and 374 armoured personnel carriers.
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The weapons supplied to Pakistan were earlier used by American forces in Afghanistan and Iraq.
The report said that many in the US Congress are concerned that the F-16 jets are more useful to Pakistan in its long confrontation with India than for counterterrorism operations.
According to the report, the Congress and the US State Department are already in a standoff over an effort to sell used Navy cutter vessels to Pakistan earlier this year.
In March, the US House Committee on Foreign Affairs put a hold on about USD 150 million in foreign military financing.
The committee said the cutters were not essential to fighting militants, NYT quoted US officials as saying.