.139" C/S (1/8" NOMINAL) (3.53 MM)

This o-ring cord stock is supplied in black Viton® (FKM) 75 Shore A measuring a cross section of 0.139 in (3.53 mm), catalogued under part number 0283139. It provides continuous extruded stock for building one-off or oversized rings.

The compound resists aggressive chemicals, engine and transmission fluids, and aromatic hydrocarbons. That behavior comes from the compound itself: Viton® (FKM) delivers excellent resistance to compression set and permeation, very low compression set at elevated temperature.

It sees regular use in aerospace, semiconductor equipment, and automotive fuel systems.

Order part number 0283139, sold by the foot. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.