O-ring, 68 x 3mm – Viton, Part# 91311560300 – vacstellar

Description

This O-ring has an inside diameter of 68 mm and a thickness of 3 mm . That is the perfect size for several Pfeiffer and Becker pump models. It fits snugly in its groove. When you tighten the parts together, it compresses just enough to create a leak-proof seal. Keep your vacuum pump sealed tight with this Viton O-ring (Part #91311560300). Measuring 68 mm inside diameter by 3 mm thick, this O-ring creates a dependable seal between pump parts. Made from Viton, a high-performance material that resists heat, oil, and chemicals. Fits Pfeiffer UNO35, UNO65, DUO35, DUO65, and Becker U4 series pumps