| Year | 1939 |
| Weapon Type | Medium Anti-Aircraft Gun |
| Origin & Designer | Russia/Loginov |
| Numbers Produced | 13.422 |
| Crew | 7 |
| Calibre | 85mm (85x629R) |
| Elevation | -3° to +82° |
| Traverse | 360° |
| Breech | Vertical Sliding Wedge |
| Recoil | Hydropneumatic |
| Gun Sight | [@gun_sight] |
| Gun Mount | [@gun_mounts] |
| Carriage | ZU-8 Twin Wheeled Carriage and Stabilizing Legs an |
| Trailers | [@trailers] |
| Gun Shield | [@gun_shield] |
| Armoured Plate | [@armoured_plate] |
| Barrel Length | 4.693mm (L/55) |
| Overall Length | 7.05m |
| Width | 2.15m |
| Height | 2.25m |
| Weight | Weight in Traction: 4.400 kg Weight in Action: 4.400 kg |
| Round Weight | 9.2 kg (HE & AP) |
| Muzzle Velocity | 792 m/s |
| Feed | [@feed] |
| Magazine Capacity | [@magazine_capacity] |
| Practical Rate of Fire | [@practical_rate_of_fire] |
| Rate of Fire | 12 r.p.m. |
| Maximum Rate of Fire | [@maximum_rate_of_fire] |
| Maximum Ceiling | 10.500m |
| Maximum Ground Range | 15.650m |
| Maximum Range | [@maximum_range] |
| Armour Penetration | 91mm @ 500m @ 30° |
| Traction | Motorised |
| Variants | [@variants] |
| Notes | The 85mm 52-K was the best Soviet anti-aircraft gun of the war and was issued in large number. It was used to equip heavy anti-aircraft regiments with the national air defense force. Some were also issued to anti-tank units and used during the battle of Kursk. |