Rancilio Steam Wand O-ring
When used in the Rancilio wand. this sits below the bottom of the ball on the wand, sealing the nut and the lower surface of the ball on the steam wand. This has the same specifications as the Simonelli S_260 o-ring, OR 0115, 2.62 mm thick x 11.91 mm inside diameter, but is made from Viton® instead of EPDM. Used for the group flange on a Conti machines, the Gaggia Deco steam wand spring seat, and a number of other uses including the steam wand and sight glass of the Magister and Rancilio lines, as well as in a plethora of applications with Spaziale hydraulics.