This o-ring is supplied in AS568-347 black Buna-N (Nitrile) 90 Shore A measuring an inside diameter of 4.225 in (107.32 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.645 in (117.98 mm), catalogued under part number H90347. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Expect good resistance to hydraulic fluids, petroleum-based oils, and greases and lubricants. Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Exposure to strong acids or ozone and direct sunlight will shorten service life.
Typical settings include general industrial maintenance, agricultural equipment, and automotive.
Stocked as H90347 and sold individually. Unit weight is approximately 0.0103 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -347 BLACK BUNA 90D O-RING
uf_description2 0.210" (5.33MM) CS X 4.225" (107.32MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.225 inch (107.32 mm)
Actual_OD 4.645 inch (117.98 mm)
ProductCode Description O-Rings - Bulk - Commodity