The Boeing P-26 Peashooter was the first American all-metal production fighter aircraft and the first pursuit monoplane used by the United States Army Air Corps. Designed and built by Boeing; the prototype first flew in 1932, and the type was still in use with the U.S. Army Air Corps as late as 1941 in the Philippines.
Read more about Boeing P-26 Peashooter: Design and Development, Surviving P-26s, Variants, Operators, Specifications (P-26A)