H2.5X61 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 61 mm (2.402 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 66 mm (2.6 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is valued for strong abrasion and tear resistance, low compression set under sustained load. This material stands up to water, petroleum-based oils, and greases and lubricants. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
Maintenance and OEM teams specify it across general industrial maintenance, fluid power, and automotive.
H2.5X61 ships individually. Unit weight is approximately 1.196 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
description 2.5MM CS X 61MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 66 mm (2.6 inch)
Actual_CS 2.5 mm (0.098 inch)
Actual_ID 61 mm (2.402 inch)
ProductCode Description O-Rings - Metric - Commodity