The V70351 is an AS568-351 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 4.725 in (120.02 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.145 in (130.68 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments and very low compression set at elevated temperature. The compound resists many acids, aromatic hydrocarbons, and chlorinated solvents. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). It is not the right choice where ketones and esters or low-molecular-weight organic acids are present.
You will find this material specified across automotive fuel systems, chemical processing, and semiconductor equipment.
Order part number V70351, sold individually. Unit weight is approximately 16.297 g and nominal inside diameter is listed as 4 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description -351 BLACK FKM 75D O-RING
uf_description2 0.210" (5.33MM) CS X 4.725" (120.01MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.725 inch (120.02 mm)
Actual_OD 5.145 inch (130.68 mm)
ProductCode Description O-Rings - Bulk - Commodity