Buna O-Ring for 25 mm ID O-Ring Joint Glass Vacuum Vessels, O-Ring Joint #217 O-Ring (1 each).

Buna O-Ring for 25 mm ID O-Ring Joint Glass Vacuum Vessels, O-Ring Joint #217 O-Ring.

They are made of Buna which is well known for its excellent resistance to heat (250°F/121°C) and to aggressive fuels and chemicals.

O-Ring, Buna for Ideal Vacuum Glass Gas Cells.
Dimensions(inch): 217 - 1.171 x 0.139

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