APG stocks the V4X29, a black Viton® (FKM) 75 Shore A O-Ring built to an inside diameter of 29 mm (1.142 in), a cross section of 4 mm (0.157 in), and an outside diameter of 37 mm (1.46 in). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Viton® (FKM) is valued for excellent resistance to compression set and permeation, outstanding high-temperature capability. The compound resists aggressive chemicals, petroleum oils and fuels, and aromatic hydrocarbons. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with low-molecular-weight organic acids or amines.
Maintenance and OEM teams specify it across chemical processing, high-temperature process equipment, and aerospace.
Order part number V4X29, sold individually. Unit weight is approximately 2.397 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description 4MM CS X 29MM ID BLACK FKM 75D
Actual Outside Diameter 37 mm (1.46 inch)
Actual Cross Section 4 mm (0.157 inch)
Actual Inside Diameter 29 mm (1.142 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity