Part number HS70345 is an AS568-345 green HNBR (Hydrogenated Nitrile) 70 Shore A O-Ring measuring an inside diameter of 3.975 in (100.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.395 in (111.63 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
The compound resists petroleum oils and fuels, ozone and weathering, and heat and oxidation. HNBR (Hydrogenated Nitrile) delivers long service life in refrigerant and oilfield duty, improved ozone and weathering resistance over standard nitrile. Rated temperature range runs from -40°F (-40°C) to 325°F (162.8°C) in continuous service. Verify compatibility before use with chlorinated hydrocarbons or esters.
You will find this material specified across commercial refrigeration, oilfield and downhole equipment, and automotive air conditioning.
This item is sold individually under part number HS70345. Review your operating media and conditions against this specification before installation.
description 568-345 GREEN HNBR (HSN) 70 ORINGS
uf_description2 3.975" (100.97MM) ID X .210" (5.33MM)
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.975 inch (100.97 mm)
Actual_OD 4.395 inch (111.63 mm)
ProductCode Description O-Rings - Bulk - Premium