APG stocks the H5X57, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 57 mm (2.244 in), a cross section of 5 mm (0.197 in), and an outside diameter of 67 mm (2.64 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. The compound resists many alcohols, water, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.
It sees regular use in hydraulic and pneumatic systems, construction equipment, and agricultural equipment.
Stocked as H5X57 and sold individually. Unit weight is approximately 4.7533 g. Review your operating media and conditions against this specification before 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 5MM CS X 57MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 67 mm (2.64 inch)
Actual_CS 5 mm (0.197 inch)
Actual_ID 57 mm (2.244 inch)
ProductCode Description O-Rings - Metric - Commodity