Ordered as H90232, this is an AS568-232 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 2.734 in (69.44 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.012 in (76.5 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The material holds up against propane and butane, petroleum-based oils, and hydraulic fluids. Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where ketones or ozone and direct sunlight are present.
Maintenance and OEM teams specify it across construction equipment, agricultural equipment, and general industrial maintenance.
This item is sold individually under part number H90232. Unit weight is approximately 3.1772 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -232 BLACK BUNA 90D O-RING
uf_description2 0.139" (3.53MM) CS X 2.734" (69.44MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 2.734 inch (69.44 mm)
Actual_OD 3.012 inch (76.5 mm)
ProductCode Description O-Rings - Bulk - Commodity