Part number H90217 is an AS568-217 black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 1.171 in (29.74 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.449 in (36.8 mm). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
Buna-N (Nitrile) delivers low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to greases and lubricants, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving strong acids or automotive brake fluid call for a different compound.
You will find this material specified across construction equipment, automotive, and agricultural equipment.
This item is sold individually under part number H90217. Unit weight is approximately 0.0014 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -217 BLACK BUNA 90D O-RING
uf_description2 0.139" (3.53MM) CS X 1.171" (29.74MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 1.171 inch (29.74 mm)
Actual_OD 1.449 inch (36.8 mm)
ProductCode Description O-Rings - Bulk - Commodity