-355 BROWN FKM 75D O-RING

APG stocks the VB75355, an AS568-355 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 5.225 in (132.72 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.645 in (143.38 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Viton® (FKM) offers the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. This material stands up to many acids, petroleum oils and fuels, and aromatic hydrocarbons. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in ketones and esters or low-molecular-weight organic acids.

Maintenance and OEM teams specify it across automotive fuel systems, chemical processing, and aerospace.

Stocked as VB75355 and sold individually. Unit weight is approximately 19.651 g and nominal inside diameter is listed as 5 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.