This o-ring is supplied in AS568-206 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 0.484 in (12.29 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.762 in (19.35 mm), catalogued under part number V75206. It creates a positive seal at flange, piston and rod interfaces without added hardware.
This material stands up to aromatic hydrocarbons, engine and transmission fluids, and many acids. Viton® (FKM) offers the industry benchmark where nitrile reaches its thermal limit, excellent resistance to compression set and permeation. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or low-molecular-weight organic acids.
You will find this material specified across chemical processing, high-temperature process equipment, and semiconductor equipment.
This item is sold individually under part number V75206. Unit weight is approximately 0.897 g and nominal inside diameter is listed as 1/2 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -206 BLACK FKM 75D O-RING
uf_description2 0.139" (3.53MM) CS X 0.484" (12.29MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 0.484 inch (12.29 mm)
Actual_OD 0.762 inch (19.35 )
ProductCode Description O-Rings - Bulk - Commodity