Amazon.co.jp: DINGGUANGHE CS2.4mm Silicone O-Ring OD 43/45/47/49/48/51/50 * 2.4mm Japanese VMQ Gasket Seal Thickness 2.4mm 50PCS White Red Rubber Japanese Gasket, Ring (Size OD43x2.4mm Red) : Industrial & Scientific
Metric O Ring 4mm Cross Section . Hydraulic Equipment Supermarkets
O RING,4MM for KLE500A3 1993 EUROPE UK FR NL AR FG GR IT NR SD SP ST - order at CMSNL
Replacement Nitrile Rubber Seals & O Rings 3mm To 44mm
Amazon.co.jp: DINGGUANGHE CS2.4mm Silicone O-Ring OD 43/45/47/49/48/51/50 * 2.4mm Japanese VMQ Gasket Seal Thickness 2.4mm 50PCS White Red Rubber Japanese Gasket, Ring (Size OD43x2.4mm Red) : Industrial & Scientific