Ordered as VB75042, this is an AS568-042 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 3.239 in (82.27 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 3.379 in (85.83 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature. Expect good resistance to engine and transmission fluids, aromatic hydrocarbons, and many acids. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Applications involving hot water and steam or ketones and esters call for a different compound.
You will find this material specified across high-temperature process equipment, aerospace, and automotive fuel systems.
VB75042 ships individually. Unit weight is approximately 1.394 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -042 BROWN FKM 75D O-RING
uf_description2 0.070" (1.78MM) CS X 3.239" (82.27MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 3.239 inch (82.27 mm)
Actual_OD 3.379 inch (85.83 mm)
ProductCode Description O-Rings - Bulk - Commodity