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RS PRO Nitrile Rubber (NBR) O-Ring Seal, 1.13 in ID, 1.38 in OD, Shore 70 Hardness 689-776
Specifications
| Country of Origin | Italy |
|---|---|
| Brand | RS PRO |
| Material | Nitrile Rubber (NBR) |
| Colour | Black |
| THICKNESS | 0.125in |
| Model | 689-776 |
| Outside diameter | 1.38in |
| Maximum Operating Temperature | 110°C |
| Hardness | Shore 70 |
| Sub Type | O-Ring Seal |
| Inside Diameter | 1.13in |
| Minimum Operating Temperature | -40°C |
Key Features
- Constructed from durable Nitrile Rubber material with Shore 70 hardness.
- Features an inside diameter of 1.13 inches and outside diameter of 1.38 inches.
- Thickness of 0.125 inches ensures reliable sealing performance.
- Operates continuously between -40°C to 110°C, with short-term tolerance up to 135°C.
- Ideal for automotive, plumbing, aerospace, and general engineering applications.
- Black O-Ring provides resistance to mineral hydraulic oils and greases.
- Manufactured in Italy ensuring quality and consistency.
- Not suitable for use with Esters, Ozone, Retones, Aldehydes, Chlorinated and Nitro Carbons.
Product Description
RS PRO 689-776 Nitrile Rubber (NBR) O-Ring Seal is specifically engineered for demanding sealing applications requiring robust performance and resistance to harsh environments. Constructed from premium Nitrile Rubber with a Shore 70 hardness rating, this O-Ring withstands abrasion exceptionally well while maintaining flexibility.
Measuring an inside diameter of 1.13 inches and an outside diameter of 1.38 inches with a thickness of 0.125 inches, it delivers an effective seal in various mechanical assemblies. The O-Ring operates continuously within a temperature range of -40°C to 110°C, with short-term tolerance up to 135°C, making it suitable for both cold and hot applications.
This O-Ring is highly resistant to mineral hydraulic oils and greases, making it an excellent choice for fluid power systems and general engineering environments. It supports industrial use cases including automotive, plumbing, aerospace, and general engineering sealing requirements.
Manufactured in Italy under strict quality control, this Nitrile Rubber O-Ring meets industrial standards though it has no formal certifications. It is important to note the material is not compatible with certain chemicals such as Esters, Ozone, Retones, Aldehydes, Chlorinated and Nitro Carbons.
Durable Nitrile Rubber with Shore 70 hardness ensures long-lasting performance. Operating temperature range from -40°C to 110°C, short term up to 135°C. Excellent resistance to petroleum-based fluids and greases. Precision sized at 1.13 in inside diameter and 1.38 in outside diameter.
Thickness of 0.125 in suitable for a variety of sealing applications. Applicable in automotive, plumbing, aerospace, and general engineering industries. Manufactured in Italy for quality assurance. Chemical incompatibility warnings for specific substances included.
This O-Ring is part of RS PRO’s trusted range of industrial sealing solutions designed to meet the rigorous demands of mechanical, fluid power, and tool applications. For further selections, browse the wide category of O-Ring Seals at EnvMart.
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Frequently Asked Questions
This O-Ring seal has an inside diameter of 1.13 inches, an outside diameter of 1.38 inches, and a thickness of 0.125 inches.
It is constructed from Nitrile Rubber (NBR), which provides good resistance to petroleum-based fluids and greases.
The O-Ring has a hardness rating of Shore 70, ensuring a balance of flexibility and durability for sealing applications.
It operates continuously between -40°C to 110°C, with short-term tolerance up to 135°C.
This O-Ring is suitable for automotive, plumbing, aerospace, and general engineering applications.
It is manufactured in Italy, ensuring quality and consistency in its production.
The O-Ring seal is black in color.
It is not suitable for use with Esters, Ozone, Retones, Aldehydes, Chlorinated and Nitro Carbons.
It delivers reliable sealing performance, particularly in applications involving mineral hydraulic oils and greases.
The thickness of 0.125 inches contributes to its effectiveness in creating a seal in various mechanical assemblies.
The model number of this O-Ring seal is 689-776.
Its construction from Nitrile Rubber with a Shore 70 hardness rating provides excellent abrasion resistance while maintaining flexibility, making it suitable for harsh environments.
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