MW456912 is listed in the GreenLine EN 856 4SH hydraulic hose family. The official Hoses Technical Catalogue describes a synthetic-rubber inner tube and cover with 4 steel-wire reinforcement layers.
The exact row gives nominal hose size 3/4", working pressure 420 bar and burst pressure 1680 bar. Burst pressure is a destructive-test value, not a permitted operating pressure. Working temperature is listed from -40 to +100 °C.
These values refer to the linked technical catalogue edition. Original imported values and differently coded current product-card variants are not treated as equivalent specifications.
