Ordered as H70215, this is an AS568-215 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.046 in (26.57 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.324 in (33.63 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, low compression set under sustained load. This material stands up to petroleum-based oils, many alcohols, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.
You will find this material specified across hydraulic and pneumatic systems, agricultural equipment, and fluid power.
Stocked as H70215 and sold individually. Unit weight is approximately 0.0012 g and nominal inside diameter is listed as 1 1/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -215 BLACK BUNA 70D O-RING
uf_description2 0.139" (3.53MM) CS X 1.046" (26.57MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.046 inch (26.57 mm)
Actual_OD 1.324 inch (33.63 mm)
ProductCode Description O-Rings - Bulk - Commodity