Ordered as HS70156, this is an AS568-156 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring with an inside diameter of 4.237 in (107.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.443 in (112.85 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, HNBR (Hydrogenated Nitrile) is known for excellent abrasion and tear strength, long service life in refrigerant and oilfield duty. It resists petroleum oils and fuels, ozone and weathering, and heat and oxidation. Service temperature is rated from -40°F (-40°C) through 325°F (162.8°C).
It sees regular use in engine timing systems, automotive air conditioning, and oilfield and downhole equipment.
Reference part number HS70156 when ordering; the item is sold individually. 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 568-156 GREEN HNBR (HSN) 70 ORINGS
uf_description2 4.237" (107.62MM) ID X .103" (2.62MM)
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 4.237 inch (107.62 mm)
Actual_OD 4.443 inch (112.85 mm)
ProductCode Description O-Rings - Bulk - Premium