Ordered as H2.5X87, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 87 mm (3.425 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 92 mm (3.62 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
The compound resists propane and butane, greases and lubricants, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) delivers strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or strong acids.
Typical settings include agricultural equipment, hydraulic and pneumatic systems, and general industrial maintenance.
Order part number H2.5X87, sold individually. Unit weight is approximately 1.704 g. Check the compound against your process media, pressure and temperature before committing to a design.
description 2.5MM CS X 87MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 92 mm (3.62 inch)
Actual_CS 2.5 mm (0.098 inch)
Actual_ID 87 mm (3.425 inch)
ProductCode Description O-Rings - Metric - Commodity