$5.11
This Viton O-ring (Part# 50238) might be the fix you need. It measures 88.49 mm inside diameter and 3.53 mm cross section. Viton is a high-performance rubber that stands up to heat and harsh chemicals. It is perfect for vacuum pump applications where a regular O-ring would fail.

O-ring, 88.49 x 3.53 mm - Viton, Part# 50238

O-ring, 88.49 x 3.53 mm - Viton, Part# 50238

This O-ring (Part# 50238) is the exact size you need. It measures 88.49 mm on the inside. The rubber part itself is 3.53 mm thick .
This is a standard metric size. It is also known in the industry as AS568 size -238 . That means you can trust the fit.
This O-ring is made for Kinney brand vacuum pumps . It is a replacement part for several models.
Without knowing your exact pump, here is the best advice: check your old O-ring. Measure it. If it is 88.49 mm inside and 3.53 mm thick, this is the right one.
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10 in stock
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10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
10 in stock
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