Nitrile 70 Durometer O-Ring, General Purpose (N0674-70) | Parker NA
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Nitrile 70 Durometer O-Ring, General Purpose (N0674-70)

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Parker's nitrile rubber (NBR) O-rings are very compatible with oils and gases.

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Description
    Parker's Nitrile rubber (NBR) is the general term for acrylonitrile butadiene copolymer. The acrylonitrile content of nitrile sealing compounds varies considerably (18% to 50%) and influences the physical properties of the finished material. The higher the acrylonitrile content, the better the resistance to oil and fuel. At the same time, elasticity and resistance to compression set is adversely affected. In view of these opposing realities, a compromise is often drawn, and a medium acrylonitrile content selected. NBR has good mechanical properties when compared with other elastomers and high wear resistance. NBR is not resistant to weathering and ozone.

    • Heat resistance
    • Up to 100°C (212°F) with shorter life @ 121°C (250°F)
    • Cold flexibility
    • Depending on individual compound, between -34°C and -57°C (-30°F and -70°F)
    • Chemical resistance
    • Aliphatic hydrocarbons (propane, butane, petroleum oil, mineral oil and grease, diesel fuel, fuel oils) vegetable and mineral oils and greases
    • HFA, HFB and HFC hydraulic fluids
    • Dilute acids, alkali and salt solutions at low temperatures
    • Water (special compounds up to 100°C) (212°F)
    • Used for general purpose, MIL-G-21569 CL 1, UL Listed

    *Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-269-2351 for design and pricing assistance.
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Description

Performance Characteristics

Inside Diameter

0.029 to 25.940 inch

Width

0.04 to 0.275 inch

Polymer Material Options

Nitrile Butadiene Rubber (NBR, XNBR)

Thermal Application Type

Standard (-30 to 250°F)

Minimum Operating Temperature

-30 °F

Durometer

70 Shore A

Maximum Operating Temperature

250 °F

For Fluid Type

Oil

Industry

General

Specifications Met

UL
MIL/Aero
UL-Fire
UL-GasAlc
UL-MPSGas
UL-NatGas
UL-FuelOil
UL-HtdFuelOil
UL-Ammonia
UL-DryChem
MIL-G-21569B Class I

Region of Origin

North America

Internally Lubricated

No

Color

Black

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FAILURE OR IMPROPER SELECTION OR IMPROPER USE OF THE PRODUCTS DESCRIBED HEREIN OR RELATED ITEMS CAN CAUSE DEATH, PERSONAL INJURY AND PROPERTY DAMAGE. This document and other information from Parker-Hannifin Corporation, its subsidiaries and authorized distributors provide product or system options for further investigation by users having technical expertise. The user, through its own analysis and testing, is solely responsible for making the final selection of the system and components and assuring that all performance, endurance, maintenance, safety and warning requirements of the application are met. The user must analyze all aspects of the application, follow applicable industry standards, and follow the information concerning the product in the current product catalog and in any other materials provided from Parker or its subsidiaries or authorized distributors. To the extent that Parker or its subsidiaries or authorized distributors provide component or system options based upon data or specifications provided by the user, the user is responsible for determining that such data and specifications are suitable and sufficient for all applications and reasonably foreseeable uses of the components or systems...
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