4.5MM CS X 32MM ID BLACK BUNA 70D

APG stocks the H4.5X32, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 32 mm (1.26 in), a cross section of 4.5 mm (0.177 in), and an outside diameter of 41 mm (1.61 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to hydraulic fluids, water, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across agricultural equipment, hydraulic and pneumatic systems, and fluid power.

Order part number H4.5X32, sold individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.