The H70MD152 is an AS568-152 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 3.237 in (82.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.443 in (87.45 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Expect good resistance to hydraulic fluids, propane and butane, and petroleum-based oils. Buna-N (Nitrile) is known for strong abrasion and tear resistance, low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
This item is metal detectable for HACCP and foreign-body control programs. Maintenance and OEM teams specify it across agricultural equipment, automotive, and construction equipment.
This item is sold individually under part number H70MD152. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Description -152 BLACK BUNA 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 3.237 inch (82.22 mm)
Actual Outside Diameter 3.443 inch (87.45 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable