| Year | June 1937 |
| Weapon Type | Light Anti-Aircraft Gun |
| Origin & Designer | Germany/Rheinmetall |
| Numbers Produced | 12.000 |
| Crew | 7 |
| Calibre | 37mm (37x263) |
| Elevation | -8° to +85° |
| Traverse | 360° |
| Breech | Gas Operated Bolt |
| Recoil | [@recoil] |
| Gun Sight | Flakviser 35 |
| Gun Mount | Triangular Platform |
| Carriage | Sd. Ah. 52 |
| Trailers | [@trailers] |
| Gun Shield | 10mm |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 2.112mm (L/57) |
| Overall Length | 5.57m |
| Width | 2.40m |
| Height | 2.10m |
| Weight | Weight in Traction: 2.414 kg Weight in Action: 1.544 kg |
| Round Weight | 0.742 kg (HE) 0.68 kg (AP) |
| Muzzle Velocity | 820 m/s (HE) 745 m/s (AP) |
| Feed | 6 Round Clip |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | [@practical_rate_of_fire] |
| Rate of Fire | 160 r.p.m. |
| Maximum Rate of Fire | [@maximum_rate_of_fire] |
| Maximum Ceiling | 4.800m |
| Maximum Ground Range | [@maximum_ground_range] |
| Maximum Range | 6.585m |
| Armour Penetration | 33mm @ 500m @ 30° |
| Traction | [@traction] |
| Variants | [@variants] |
| Notes | The 3.7cm Flak 37 was an improved version of the earlier Flak 36, the only difference was the gun sight. Both the Flak 36 and 37 were produced in large numbers, they were light and easily deployed due to a single axle carriage. |