FKM O-ring 38 x 2.5mm Minimum 2 pcs - OringsandMore
O-ring 38x2 NBR70
O-ring 38x2.5 FFKM FFPM Kalrez 6375 75 Shore A Black ORS55148 (Equivalent)
BERWENNY 50PCS CS2.5mm Silicone O Ring OD 30/31/32/33/34/35/36/37/38x2.5mm O -Ring VMQ Gasket Seal Thickness 2.5mm ORing (Size : OD30X2.5mm-Red): Amazon.com: Industrial & Scientific