This o-ring is supplied in AS568-233 black Buna-N (Nitrile) 90 Shore A with an inside diameter of 2.859 in (72.62 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.137 in (79.68 mm), catalogued under part number H90233. It delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, economical choice for high-volume maintenance programs. This material stands up to petroleum-based oils, hydraulic fluids, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Verify compatibility before use with automotive brake fluid or strong acids.
Maintenance and OEM teams specify it across fluid power, agricultural equipment, and hydraulic and pneumatic systems.
This item is sold individually under part number H90233. Unit weight is approximately 3.065 g and nominal inside diameter is listed as 2 7/8 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -233 BLACK BUNA 90D O-RING
uf_description2 0.139" (3.53MM) CS X 2.859" (72.62MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 2.859 inch (72.62 mm)
Actual_OD 3.137 inch (79.68 mm)
ProductCode Description O-Rings - Bulk - Commodity