Ordered as VB75144, this is an AS568-144 brown Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 2.487 in (63.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.693 in (68.4 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
As a material, Viton® (FKM) is known for outstanding high-temperature capability and very low compression set at elevated temperature. The material holds up against chlorinated solvents, many acids, and engine and transmission fluids. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. It is not the right choice where amines or ketones and esters are present.
You will find this material specified across semiconductor equipment, oil and gas, and aerospace.
This item is sold individually under part number VB75144. Unit weight is approximately 2.2725 g and nominal inside diameter is listed as 2 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -144 BROWN FKM 75D O-RING
uf_description2 0.103" (2.62MM) CS X 2.487" (63.17MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 2.487 inch (63.17 mm)
Actual_OD 2.693 inch (68.4 mm)
ProductCode Description O-Rings - Bulk - Commodity