37 mm OR-167N (M1939) projectile

The 37 mm OR-167N (M1939) projectile is a Soviet 37x252 mmSR high-explosive incendiary tracer round with point-detonating self-destruct function. CAT-UXO identifies it as a spin-stabilized OR-167N / OP-167H projectile, and the 61-K family page documents the 37 mm M1939 gun as firing 37x252SR shells.

37 mm OR-167N (M1939) projectile, 37 mm HEI-T projectile with tracer and self-destruct, Munitions

Image source: Original Soviet WWII 37mm HE Round for the M1939 Automatic Anti-Aircraft Gun 61-K - Dated 1944

Profile

Origin: Soviet Union
Built by: Soviet ordnance program
Type: 37 mm HEI-T projectile with tracer and self-destruct
Service note: Cold War-era ammunition family with legacy 61-K compatibility
Produced: Soviet-era production

cartridgeheitracer

Specifications

Caliber: 37 mm
Cartridge case: 37x252 mmSR
Projectile type: High-explosive incendiary tracer
Fuze action: Point-detonating self-destruct
Stabilization: Spin-stabilized

Service And Conflict Use

Service History

In service: Used as 37 mm ammunition for the 61-K family and related Soviet 37x252 mmSR weapons.

Firing Weapon

CAT-UXO identifies this projectile as part of the Soviet 37x252 mmSR family, and the 61-K page documents that gun family as firing 37x252SR shells.

Firing weapon

Weapon type

Firing evidence

61-K 37 mm anti-aircraft gun

Towed 37 mm automatic anti-aircraft gun

The 61-K family page documents the gun as firing 37x252SR shells, which places this OR-167N projectile in the weapon's ammunition family.

Sources: 37 mm Automatic Air Defense Gun M1939 (61-K)

37 mm OR-167N (M1939) projectile Images

37 mm OR-167N (M1939) projectile, 37 mm HEI-T projectile with tracer and self-destruct, Munitions - view 1 — Source: Original Soviet WWII 37mm HE Round for the M1939 Automatic Anti-Aircraft Gun 61-K - Dated 1944

37 mm OR-167N (M1939) projectile, 37 mm HEI-T projectile with tracer and self-destruct, Munitions - view 2 — Source: Original Soviet WWII 37mm HE Round for the M1939 Automatic Anti-Aircraft Gun 61-K - Dated 1944

37 mm OR-167N (M1939) projectile, 37 mm HEI-T projectile with tracer and self-destruct, Munitions - view 3 — Source: Original Soviet WWII 37mm HE Round for the M1939 Automatic Anti-Aircraft Gun 61-K - Dated 1944

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Sources

37mm or 167n m1939 projectile - CAT-UXOPublisher: CAT-UXO | Note: Supports the projectile designation, 37x252 mmSR family, HEI-T classification, point-detonating self-destruct function, and spin-stabilized ammunition description. | Accessed: 2026-06-23 37 mm Automatic Air Defense Gun M1939 (61-K)Publisher: Wikipedia | Note: Supports the 61-K family ammunition context and the fact that the gun fires 37x252SR shells. | Accessed: 2026-06-23 Original Soviet WWII 37mm HE Round for the M1939 Automatic Anti-Aircraft Gun 61-K - Dated 1944Publisher: International Military Antiques | Note: Supports the representative 37 mm ammunition imagery used for the gallery and the 61-K ammunition context shown on the product page. | Accessed: 2026-06-23