Ordered as H5.7X57.6, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 57.6 mm (2.268 in), a cross section of 5.7 mm (0.224 in), and an outside diameter of 69 mm (2.72 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope. Additional detail on this item: Metric O-RING, JIS P58.
Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material holds up against propane and butane, petroleum-based oils, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ozone and direct sunlight call for a different compound.
It sees regular use in construction equipment, fluid power, and agricultural equipment.
This item is sold individually under part number H5.7X57.6. Unit weight is approximately 6.1215 g. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 5.7MM CS X 57.6MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS P58
Actual_OD 69 mm (2.72 inch)
Actual_CS 5.7 mm (0.224 inch)
Actual_ID 57.6 mm (2.268 inch)
ProductCode Description O-Rings - Metric - Commodity