-350 BLACK BUNA 70D O-RING

Part number H70350 is an AS568-350 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.6 in (116.84 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.02 in (127.51 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. This material stands up to many alcohols, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or ozone and direct sunlight.

Maintenance and OEM teams specify it across construction equipment, general industrial maintenance, and automotive.

H70350 ships individually. Unit weight is approximately 0.0105 g and nominal inside diameter is listed as 4 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.