Ammunition 20 x 139 mm GENERAL The ammunition 20x139 mm has been developed for ground-to-ground and ground-to-air applications and has been optimized for use with Hispano Suiza HS820, Rheinmetall Mk20 and Rh202, GIAT Mk693 F1 / M693 F2, Oerlikon KAD-A / KAD-B, OMI-F2 and Vektor GI2 cannons. The range of available rounds comprises: HEI, HEI-T High Explosive Incendiary filled with P30 Hexal for strong blast and incendiary effects. APC-T Solid Core Armour Piercing Tracer with ballistic cap, capable to penetrate 20 mm steel plate at 100 m. TP, TP-T Target Practice / Tracer rounds ballistic matching HE rounds. The ammunition meets the highest quality standards, has been under continuous manufacture since the 1980s and meets all applicable MIL-STD. It is supplied normally linked in belts of 25 rounds either mixed or single type and can be packaged and palletised to suit any customer requirements. 20x139 mm ammunition ordtech SPECIFICATION COMPLETE ROUND Length (mm) Mass (g) Muzzle Velocity (m/s) HEI & TP / TP-T Muzzle Velocity (m/s) APC-T Chamber Pressure Piezoelectric Max Chamber Pressure Piezolecetric Mean Penetration APC-T Projectile Mass filled and fuzed Driving Band Primer Cap type Cartridge Case Length Cartridge Case Material 212.9 mm 314 g 1050 m/s 1100 m/s 450 Mpa 420 Mpa 50 mm Steel Plate at 100 m 119 g Soft Iron Boxer 138.5 mm Steel FUZE Arming Distance Minimum Action Self Destruct Time Tracer Time HEI-T & TP-T Tracer Time APC-T 8m Impact Self Destruction 4 - 12 s 2s 1.5 s HAZARD CLASSIFICATION Compatibility group Hazard Division Fire fighting classification C 1.2 2 20x139 mm ammunition ordtech
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