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RS PRO Nitrile Rubber (NBR) Black O-Ring, 0.25 in Inside Diameter, 0.375 in Outside Diameter, Shore 70 Hardness 689-619
Specifications
| Country of Origin | Italy |
|---|---|
| Brand | RS PRO |
| Material | Nitrile Rubber (NBR) |
| Colour | Black |
| THICKNESS | 0.0625in |
| Model | 689-619 |
| Outside diameter | 0.375in |
| Maximum Operating Temperature | 120°C |
| Hardness | Shore 70 |
| Sub Type | O-Ring |
| Inside Diameter | 0.25in |
| Minimum Operating Temperature | -30°C |
Key Features
- Constructed from durable Nitrile Rubber material with Shore 70 hardness.
- Operates continuously between -30°C and 120°C, with short-term tolerance up to 135°C.
- Excellent resistance to petroleum products and mineral hydraulic oils.
- Black color for easy identification and use in varied applications.
- Ideal for automotive, aerospace, plumbing, and general engineering sealing solutions.
- Complies with BS4518 tolerance standards for precise fitting.
- Made in Italy ensuring quality and robustness in harsh industrial environments.
- Not suitable for use with Esters, Ozone, Retones, Aldehydes, Chlorinated and Nitro Carbons.
Product Description
RS PRO 689-619 Nitrile Rubber (NBR) O-Ring is a high-quality sealing component designed for reliable performance in industrial and mechanical applications. This O-ring features a 0.25 inch inside diameter and a 0.375 inch outside diameter with a thickness of 0.0625 inches, manufactured from Nitrile Rubber which offers excellent resistance to petroleum products and abrasion.
The Shore 70 hardness rating ensures a balance between flexibility and durability, allowing operation in temperatures ranging from -30°C minimum up to 120°C maximum continuous use, with short-term tolerance up to 135°C. This makes it suitable for dynamic and static sealing in automotive, plumbing, aerospace, and general engineering fields.
The product is black in color for visual differentiation and manufactured to meet BS4518 tolerance standards, ensuring precise sealing fit and performance. It is important to note that this Nitrile O-ring is not compatible with Esters, Ozone, Retones, Aldehydes, Chlorinated, or Nitro Carbon compounds.
These O-Rings are extensively used in hydraulic and fluid power systems where resistance to mineral oils and greases is required. Their strong abrasion resistance makes them ideal for sealing applications that demand long service life and consistent performance.
Constructed from Nitrile Rubber (NBR) providing high resistance to oils and wear. Rated Shore 70 hardness for durability and flexibility. Operating temperature range -30°C to 120°C, with short exposures up to 135°C. Black color for ease of use in maintenance and replacement.
Compliant with BS4518 tolerance standards for fit accuracy. Suitable for automotive, aerospace, plumbing, and engineering sealing needs. Manufactured in Italy with stringent quality control. Not compatible with specific chemicals including Esters and Ozone.
Explore the wide range of RS PRO sealing solutions on EnvMart for superior quality components suitable for industrial, automotive, and engineering applications.
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Frequently Asked Questions
The inside diameter of this O-ring is 0.25 inches.
The maximum operating temperature for this model is 120°C, with short-term tolerance up to 135°C.
This O-ring is constructed from Nitrile Rubber (NBR).
The hardness rating of this O-ring is Shore 70.
The outside diameter of this O-ring is 0.375 inches.
The thickness of this O-ring is 0.0625 inches.
This O-ring can operate continuously between -30°C and 120°C.
This O-ring is suitable for automotive, aerospace, plumbing, and general engineering sealing applications.
This O-ring is black in color for easy identification.
Yes, this O-ring complies with BS4518 tolerance standards for precise fitting.
This O-ring is not suitable for use with Esters, Ozone, Retones, Aldehydes, Chlorinated, or Nitro Carbon compounds.
This O-ring is manufactured in Italy, ensuring quality control.
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