F-521 high-explosive shell

Also known as

F-521

F-521 is a Soviet 152 mm high-explosive shell listed in the D-1 ammunition table as a round for the 152 mm mortar model 1931. The table gives it a 41.7 kg projectile mass and 7.7 kg filler weight, placing it in the heavy Soviet tube-artillery ammunition family.

F-521 high-explosive shell, 152 mm high-explosive shell, Munitions

Image source: 152 mm shell RUK-museo.JPG

Profile / Specs

Profile

Origin: Soviet Union
Built by: Not publicly identified
Type: 152 mm high-explosive shell
Service note: Soviet-era artillery ammunition

artillery ammunition he indirect fire mortar

Specifications

Caliber: 152 mm
Projectile class: High-explosive shell
Table designation: F-521
Application: 152 mm mortar model 1931
Projectile mass: 41.7 kg
Filler weight: 7.7 kg

Firing Weapons

The D-1 ammunition table lists F-521 as a high-explosive shell for the 152 mm mortar model 1931.

Firing weapon

Weapon type

Firing evidence

152 mm D-1 gun-howitzer, Towed 152 mm howitzer, Artillery

152 mm D-1 gun-howitzer

152 mm gun-howitzer

The D-1 ammunition table lists F-521 as a high-explosive shell for the 152 mm mortar model 1931.

Sources: 152 mm howitzer M1943 (D-1)

Service And Conflict Use

Service History

In service: Listed in the D-1 ammunition table as a high-explosive shell for the 152 mm mortar model 1931.

Media

F-521 high-explosive shell Images

F-521 high-explosive shell, 152 mm high-explosive shell, Munitions - view 1 — Source: 152 mm shell production SA-Kuva 88285.jpg

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Sources

152 mm howitzer M1943 (D-1)Publisher: Wikipedia | Note: Supports the F-521 designation in the D-1 ammunition table and the published 41.7 kg projectile mass and 7.7 kg filler weight for the 152 mm mortar model 1931 HE shell. | Accessed: 2026-06-27 152 mm shell RUK-museo.JPGPublisher: Wikimedia Commons | Note: Supports image provenance for the Soviet 152 mm howitzer shell photographed in the RUK museum. | Accessed: 2026-06-27 152 mm shell production SA-Kuva 88285.jpgPublisher: Wikimedia Commons | Note: Supports image provenance for the 152 mm shell production photograph in the Finnish Wartime Photograph Archive. | Accessed: 2026-06-27