APG stocks the H1.5X30.5, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 30.5 mm (1.201 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 33.5 mm (1.32 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Expect good resistance to petroleum-based oils, water, and propane and butane. Buna-N (Nitrile) is known for low compression set under sustained load, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across fluid power, hydraulic and pneumatic systems, and construction equipment.
Reference part number H1.5X30.5 when ordering; the item is sold individually. 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 1.5MM CS X 30.5MM ID BLACK BUNA 70D
Actual Outside Diameter 33.5 mm (1.32 inch)
Actual Cross Section 1.5 mm (0.059 inch)
Actual Inside Diameter 30.5 mm (1.201 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity