-345 BROWN FKM 75D O-RING

Ordered as VB75345, this is an AS568-345 brown Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 3.975 in (100.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.395 in (111.63 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Viton® (FKM) is known for the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. Expect good resistance to aromatic hydrocarbons, engine and transmission fluids, and aggressive chemicals. 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 hot water and steam are present.

Typical settings include high-temperature process equipment, semiconductor equipment, and aerospace.

Order part number VB75345, sold individually. Unit weight is approximately 15.334 g and nominal inside diameter is listed as 4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.