-274 BLACK BUNA 90D O-RING

H90274 is an AS568-274 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 9.984 in (253.59 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.262 in (260.65 mm). In service, this o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The material holds up against petroleum-based oils, propane and butane, and water. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

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

Reference part number H90274 when ordering; the item is sold individually. Unit weight is approximately 11.064 g and nominal inside diameter is listed as 10 inch. 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.