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Alenia Difesa 76 mm High-Explosive OTO Munition
Регіон
South Africa
Brazil
Greece
Italy
Spain
Категорія
Боєприпаси, ракети та високоточне озброєння
The 76 mm HE-OM is a fixed round with the projectile rigidly secured to the brass cartridge case by a crimping ring which engages in a groove on the wide copper/gilding metal drive band. The boat-tailed projectile body is a monobloc assembly made from a special high-quality steel. The projectile interior is compression loaded with Composition A-3 (RDX 91 per cent, Wax 9 per cent). The brass cartridge case (72 per cent copper, 28 per cent zinc) has a base-mounted P85 percussion primer and is filled with 2.3 kg of
M6 + 2 single-base multiperforated (19-hole) propellant. A mixture of wax and titanium in a fabric liner is glued inside the cartridge case to act as an anti-wear additive. The primer is normally protected by a clip which is removed before loading. The training round used for the 76 mm HE-OM is the TP-OM. This utilises a monobloc steel projectile containing an inert filling. The TP-OM has the same handling and ballistic characteristics as the HE-OM. To reduce training costs, the South African company NASCHEM has produced a point-detonating fuze, the PD M9030, to be fitted to 76/62 projectiles in place of proximity fuzes during training. The 76 mm HE-OM (High-Explosive OTO Munition) is the latest version of a series of general purpose high-explosive rounds intended for firing from 76/62 naval guns against a wide range of targets. There are two versions of this round produced. The HE-OM-1 can accept standard NATO fuzes while the HE-OM-2 accepts standard US fuzes. In the latter case an adaptor ring is fitted to the thread in the projectile body. This munition is marketed by Alenia Difesa, Otobreda Division. Applications include otobreda 76/62 MMI; Otobreda 76/62 Compact; Otobreda 76/62 Super Rapid; Otobreda 76/62 Above Deck; 76 mm self-propelled AMRAD OTOMATIC air defence tank.