Ordered as H3X210, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 210 mm (8.268 in), a cross section of 3 mm (0.118 in), and an outside diameter of 216 mm (8.5 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified here for low compression set under sustained load, strong abrasion and tear resistance. It resists hydraulic fluids, greases and lubricants, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to strong acids or automotive brake fluid will shorten service life.
Common environments for this compound include automotive, construction equipment, and general industrial maintenance.
Order part number H3X210, sold individually. Unit weight is approximately 5.7438 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 3MM CS X 210MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 216 mm (8.5 inch)
Actual_CS 3 mm (0.118 inch)
Actual_ID 210 mm (8.268 inch)
ProductCode Description O-Rings - Metric - Commodity