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Year (11)

Classification groups of key explosive munitions used in conflicts

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The specific model of munition pictured

Tentative Model (99)

OF-540

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The external organisation that documented the munition

Research Organisation (3)

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Base Colour (10)

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Condition (6)

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Mechanical Feature (9)

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Where the munition is launched from and what it targets

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The type of fins visible on the munition

Fins Characteristic (5)

The nominal diameter of a projectile. For most modern munitions, this is expressed in millimetres (e.g. 82 mm mortar projectile), but older artillery gun projectiles may be described in inches.

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OSMP163
Analyst Note:
Whereas many cartridges are of the 'fixed' type—with the propellant charge contained entirely within the cartridge, and the cartridge case crimped around the projectile—the OF-540 artillery gun projectile is a type of 'semi-fixed' ammunition. A round of semi-fixed ammunition is separated into two groups of components: the projectile and fuze; and the cartridge case, primer, and one or more propellant charges. These two component groups are typically combined at the time of loading the gun, or shortly beforehand. The majority of ammunition fired by artillery systems is either semi-fixed or 'separate loading' (see Glossary). (ARES)