The USSR armed forces had been using the heavy machine gun DShK/DShKM since 1938. The weapon, however, was too heavy, incapable of firing in a higher rate, and less accurate. In response, the Russian army designed the NSV to replace the aging weapon. The name stands for the designers: Nikitin, Solokov, Volkov—though it is also referred to with its nickname, the Utoys, “rock/cliff”. Variants of the NSV are renamed based on the countries it was exported to: KT-12.7 in Ukraine, WKM-B in Poland (with 12.7 x 99 mm chamber), M102 in Serbia, 12.7 Itkk 96 in Finnish, and NSZV-12.7 Geppuska in Hungary.
An electrically operated model of the NSV is known as NSVT, primarily accompany battle tanks. In Serbia, the NSVT is known as M87. The electric version has been installed on Russian T-64, T-72, T-80, and T-90 MBT as well as the Ukrainian T-84 MBT. The NSVT is compatible with 150-round ammo box and a bag for collecting spent cases. The weapon works with air-cooled gas-operated system and a cartridge of 12.7 x 108 mm. Automatic firing is only supported with the bolt open. At a sighting range of 2,000 m, the weapon is not exceptionally accurate, but at 700-800 rounds per minute, it does have a higher cyclic rate of fire.
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The NSV is an effective anti-aircraft device when it is fitted to a suitable anti-aircraft mount. In order to reduce heavy recoil, the weapon comes with a large muzzle. The barrels are easy and quick to change. The weapon is equipped with iron sights although it also comes with adjustable optical sights with 3-6x magnification level. Deployment of this weapon is usually accompanied by a tripod whose height is adjustable along with stock and pistol grip.
The NSV, though intended to replace its predecessor, is still categorized as being too heavy. At a weight of 25 kg and additional 11 kg from the ammunition belt, it is quite immense so much that mobility is practically restricted when operating the weapon. Originally, production of the NSV took place in Ukraine and Kazakhstan. Upon the breakdown of the USSR, the license to the weapon’s production was lost. This, and coupled with a plan for a new weapon with greater accuracy, led to the NSV slowly receding in popularity and the Kord being developed. Gradually, all the NSV units in the Russian service are being replaced by the Kord.
|Country of origin||Soviet Union|
|Weight (unloaded)||25 kg|
|Weight (with tripod and ammo box)||52 kg|
|Length||1 560 mm|
|Barrel length||1 346 mm|
|Muzzle velocity||845 m/s|
|Cyclic rate of fire||700 – 800 rpm|
|Practical rate of fire||80 – 100 rpm|
|Magazine capacity||50-round belt|
|Sighting range||2 000 m|
|Range of effective fire||1 500 m|