Viton 75-248-Black-Pk5

This o-ring is supplied in AS568-248 black Viton® (FKM) 70 Shore A built to an inside diameter of 4.734 in (120.24 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.012 in (127.3 mm), catalogued under part number SB-V70248-5. It provides a reliable static or dynamic seal by deforming into its gland under assembly load. This item is further identified as 0.139CSX4.734"IDX5.012"OD.

It resists petroleum oils and fuels, many acids, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) is valued for very low compression set at elevated temperature and the industry benchmark where nitrile reaches its thermal limit. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Exposure to hot water and steam or ketones and esters will shorten service life.

Typical settings include automotive fuel systems, aerospace, and high-temperature process equipment.

Order part number SB-V70248-5, sold by the bag. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.