The crisis in Washington has probably hurt the U.S.'s credibility overseas, but that doesn't mean big holders of Treasurys such as China and Japan will look to significantly diversify away from U.S. government bonds, analysts say.
The bottom line? Large, liquid alternatives to the world's biggest government debt market are still few and far between, they add.
(Read more: Senate passes debt deal; bill heads to the House)
"One problem in looking for alternatives is that the U.S. Treasury market is still the biggest and the deepest market for safe investments in the world," said Richard Jerram, chief economist at the Bank of Singapore.
"The other problem, in the case of China, is that if you want to manipulate your currency against the dollar you are a forced buyer of U.S. dollars and U.S. assets and in turn, Treasurys," he added, referring to China's policy of managing its currency.