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Product ID : B242
B242 O-Ring, Material=Buna-N, Nominal ID (in)=4, Nominal Width (in)=1/8, Actual ID (in)=3.984, 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 convenient o-ring kit contains 30 of the most popular sizes, for a total of 380 o-rings, in one convenient kit.

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

all types and sizes of
O-Rings

The following two hole alumina ceramic tube type insulators are available in six inch lengths.

Longer pump nipple for vacuum hose attachment or for custom
welding applications.

The following four hole alumina ceramic tube type insulators are available in six inch lengths.

A superior electrical insulation for Heaters, Elements and Furnaces