0.533" center hole diameter o-ring bsilver-plated aluminum in silicone; military gasket of choice for corrosive environments; lightweight, 200 degrees c use temperature; good emp resistance; molded, extruded
0.676" center hole diameter o-ring bsilver-plated aluminum in silicone; military gasket of choice for corrosive environments; lightweight, 200 degrees c use temperature; good emp resistance; molded, extruded