Viton 75-253-Black-Pk2

The SB-V70253-2 is an AS568-253 black Viton® (FKM) 70 Shore A O-Ring with an inside diameter of 5.359 in (136.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.637 in (143.18 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint. The catalog record notes: 0.139CSX5.359"IDX5.637"OD.

Expect good resistance to aggressive chemicals, chlorinated solvents, and engine and transmission fluids. Viton® (FKM) is widely chosen for long service life in hot, chemically aggressive environments, excellent resistance to compression set and permeation. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with ketones and esters or low-molecular-weight organic acids.

Common environments for this compound include aerospace, automotive fuel systems, and chemical processing.

Reference part number SB-V70253-2 when ordering; the item is sold by the bag. Nominal inside diameter is listed as 5 3/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.