4MM CS X 420MM ID BLACK FKM 75D

This o-ring is supplied in black Viton® (FKM) 75 Shore A supplied with an inside diameter of 420 mm (16.535 in), a cross section of 4 mm (0.157 in), and an outside diameter of 428 mm (16.85 in), catalogued under part number V4X420. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, the industry benchmark where nitrile reaches its thermal limit. The material holds up against aggressive chemicals, aromatic hydrocarbons, and petroleum oils and fuels. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.

Typical settings include aerospace, chemical processing, and automotive fuel systems.

Reference part number V4X420 when ordering; the item is sold individually. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.