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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.

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.

The filter elements in the SIS Charcoal Filters are low in cost and disposable.

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.