This o-ring is supplied in black Viton® (FKM) 75 Shore A built to an inside diameter of 309.3 mm (12.177 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 320.7 mm (12.63 in), catalogued under part number V5.7X309.3. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. This item is further identified as Metric O-RING, JIS G310.
As a material, Viton® (FKM) offers excellent resistance to compression set and permeation, very low compression set at elevated temperature. The material holds up against petroleum oils and fuels, many acids, and aggressive chemicals. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). Applications involving ketones and esters or hot water and steam call for a different compound.
Typical settings include high-temperature process equipment, aerospace, and semiconductor equipment.
V5.7X309.3 ships individually. Review your operating media and conditions against this specification before installation.
description 5.7MM CS X 309.3MM ID BLACK FKM 75D
uf_description2 METRIC O-RING, JIS G310
Actual_OD 320.7 mm (12.63 inch)
Actual_CS 5.7 mm (0.224 inch)
Actual_ID 309.3 mm (12.177 inch)
ProductCode Description O-Rings - Metric - Commodity