-156 BLACK FKM 75D O-RING

The V75156 is an AS568-156 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 4.237 in (107.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.443 in (112.85 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Viton® (FKM) is specified for outstanding high-temperature capability and very low compression set at elevated temperature. Expect good resistance to many acids, aromatic hydrocarbons, and aggressive chemicals. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Applications involving ketones and esters or hot water and steam call for a different compound.

Maintenance and OEM teams specify it across oil and gas, aerospace, and semiconductor equipment.

Order part number V75156, sold individually. Nominal inside diameter is listed as 4 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.