H3.5X24.7 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 24.7 mm (0.972 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 31.7 mm (1.25 in). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces. Source specification: Metric O-RING, JIS P25.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. This material stands up to many alcohols, propane and butane, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across automotive, agricultural equipment, and construction equipment.
Order part number H3.5X24.7, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 3.5MM CS X 24.7MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P25
Actual_OD 31.7 mm (1.25 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 24.7 mm (0.972 inch)
ProductCode Description O-Rings - Metric - Commodity