The NA-50 Torito (Spanish slang for "little bull"), built for Peru, was a single-seat fighter design based on the two-seat Basic Combat Demonstrator NA-44. The NA-50 was powered by an 840 hp Wright R-1820-G3 radial air-cooled engine that gave the NA-50 a top speed of 475 km/h at 2900 m. It was armed with two .30 in (7.62 mm) M1919 Browning machine guns. The aircraft were manufactured in May 1939, and test-flown at the factory. Ecuadorian–Peruvian War of July 1941, supporting Army of Peru ground forces.

Peru purchased seven aircraft for the Peruvian Air Force, with deliveries completed in May 1939. In Peruvian service, these aircraft were fitted with bomb racks under the fuselage for light bombs. The Peruvian NA-50s took part in the Ecuadorian–Peruvian War of July 1941, supporting Army of Peru ground forces.