Ordered as H90M2X28, this is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 28 mm (1.102 in), a cross section of 2 mm (0.079 in), and an outside diameter of 32 mm (1.26 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.
This material stands up to water, propane and butane, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
It sees regular use in automotive, agricultural equipment, and construction equipment.
Reference part number H90M2X28 when ordering; the item is sold individually. Unit weight is approximately 0.3823 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 2MM CS X 28MM ID BLACK BUNA 90D
uf_description2 METRIC O-RING
Actual_OD 32 mm (1.26 inch)
Actual_CS 2 mm (0.079 inch)
Actual_ID 28 mm (1.102 inch)
ProductCode Description O-Rings - Metric - Commodity