PA-6/4-02W-1
https://www.stasto.com/shop/pa-6-4-02w-1-dual-plastic-hose-material-polyamide-temperature-range-60-100c-outside-diameter-6mm-inside-diameter-4mm-operating-pressure-at-20c-27bar-colour-blue-black-89148
https://www.stasto.com/web/image/product.template/89148/image_1920?unique=6f5daeb
dual plastic hose; material polyamide; temperature range -60...100°C; outside diameter 6mm; inside diameter 4mm; operating pressure at 20°C 27bar; colour blue/black
intrastat number: 39173200
weight: 0.03 kg
Short article number: PA6402W1