| Country of Service : | United States |
| Role : | Fighter |
| First Flight : | February 1939 |
| Production Date : | August 1939 |
| In-Service Date : | August 1940 |
| Manufacturer : | Grumman Aircraft Engineering Corporation |
| Number Produced : | 285 |
| Crew : | 1 |
| Length : | 8.76 meters |
| Height : | 2.81 meters |
| Empty Weight : | 2423 kilograms |
| Operational Weight : | 3176 kilograms |
| Maximum Weight : | 3412 kilograms |
| Wing Span : | 11.58 meters |
| Wing Aspect Ratio : | 5.545 |
| Wing Area : | 24.15 square meters |
| Wing Load : | 131.51 kg per square meter |
| Engine Number : | 1 |
| Engine Name : | Pratt & Whitney R-1830-86 Twin Wasp |
| Coolant : | Air |
| Cylinders: | R-14 |
| Capacity: | 30 Liters |
| Power : | 1200 hp @ 2700 rpm |
| Power / Weight Ratio : | 377.83 hp per tonne |
| Max Speed : | 528 kph @ 6401 meters |
| Cruising Speed : | 237 kph @ 100 meters |
| Climb : | 701 |
| Service Ceiling : | 8839 meters |
| Range : | 1360 kilometers |
| Fuel Capacity : | 545 liters |
| Machinegun Armament : | 4x 12.7mm Browning M2 (Wings - 400 rounds each) |
| Cannon Armament : | None |
| Payload : | 90 kg (Wings External) |
| Gunsight : | Reflector |
| Avionics : | None |
| Pilot Armor : | Yes |
| Self-Sealing Fuel Tanks : | Yes |
| Armored Windscreen : | Yes |