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Product ID : B253
B253 O-Ring, Material=Buna-N, Nominal ID (in)=5 3/8, Nominal Width (in)=1/8, Actual ID (in)=5.359, Actual Width (in)=0.139
Description
More details on associated web page:
Buna-N O-Rings
O-Rings are available in five different materials from Scientific Instrument Services.

O-Rings are available in five different materials from Scientific Instrument Services.

This food and beverage grade, crystal clear PVC tubing is reinforced with 110 ton psi steel spring wire.

Available with Viton® or Buna O-ring, this centering ring complete with O-ring should be used when joining any two NW flanges with a quick flange clamp.

In Stainless and Aluminum.

PVC cord reinforced vacuum hose.
Light weight, low cost, and superior corrosion resistance.
Ideal for mass spec, food, and other applications.

Stubs have from 1/8" to 1" male NPT for junctions to NW flanges.