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RS Pro Nitrile Rubber (NBR) Bonded Seal Washers 27.05 mm ID, 34.93 mm OD, 2.5 mm Thickness 689-502
Specifications
| Country of Origin | United Kingdom |
|---|---|
| Brand | RS Pro |
| Material | Nitrile Rubber (NBR) |
| THICKNESS | 2.5mm |
| Model | 689-502 |
| Outside diameter | 34.93mm |
| Maximum Operating Temperature | 80°C |
| Hardness | Shore 70 |
| Sub Type | Bonded Seal |
| Inside Diameter | 27.05mm |
| Minimum Operating Temperature | -10°C |
| Standards/Approvals | CE, cUR, UR |
Key Features
- Constructed with a metal annulus bonded to a trapezoidal cross-section nitrile elastomeric ring.
- Designed for high and low pressure sealing in fluid systems.
- Suitable for mineral-based hydraulic fluids and engine lubricating oils.
- Available in both metric and BSP-based Imperial sizes.
- Hardness rating of Shore 70 for durability and resilience.
- Operating temperature range from -10°C to 80°C.
- Applications include automotive, plumbing, aerospace, and general engineering.
- Effective for sealing under bolt heads, threaded components, pipe couplings, and connectors.
Product Description
RS Pro 689-502 Nitrile Rubber (NBR) Bonded Seal Washers are precision-engineered washers featuring a metal annulus bonded to a nitrile elastomeric ring with a trapezoidal cross-section. These washers are designed to provide effective sealing solutions in both high and low pressure fluid systems where mineral-based hydraulic fluids or engine lubricating oils are involved.
The metal-reinforced design ensures robustness, while the nitrile rubber (NBR) provides chemical resistance and elasticity. With an inside diameter of 27.05 mm, an outside diameter of 34.93 mm, and a thickness of 2.5 mm, these bonded seal washers offer precise dimensions for reliable sealing.
The seals operate efficiently within a temperature range of -10°C to 80°C and possess a hardness of Shore 70, delivering durability and performance under demanding conditions. They are suitable for a wide variety of applications including automotive repair and manufacturing, plumbing systems, aerospace components, and general engineering tasks.
These bonded seals are versatile washers used under bolt heads, threaded components, pipe couplings, and connectors to ensure an excellent seal against gases, oils, and fluids, preventing leaks and maintaining system integrity.
Manufactured in the United Kingdom, these seals meet CE, cUR, and UR standards, reflecting compliance with recognized quality and safety benchmarks. Constructed with metal annulus bonded to nitrile elastomeric ring. Designed for reliable high and low pressure sealing.
Suitable for mineral-based hydraulic fluids and lubricating oils. Accurate sizing with 27.05 mm ID and 34.93 mm OD. Thickness of 2.5 mm for robust sealing. Shore 70 hardness rating for resilience. Operating temperature range from -10°C to 80°C.
Applications in automotive, plumbing, aerospace, and engineering. Certified to CE, cUR, and UR standards. Manufactured in the United Kingdom ensuring premium quality. Explore more high-quality sealing solutions and industrial products within the EnvMart catalog for your engineering and maintenance needs.
Explore more products in our Seals & Gaskets category.
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Frequently Asked Questions
The bonded seal washers have an inside diameter of 27.05 mm, an outside diameter of 34.93 mm, and a thickness of 2.5 mm.
This model operates efficiently within a temperature range of -10°C to 80°C.
These washers are constructed from nitrile rubber (NBR) with a metal annulus bonded to the elastomeric ring.
The hardness rating of these washers is Shore 70, which provides durability and resilience.
They are suitable for sealing mineral-based hydraulic fluids and engine lubricating oils.
These washers are applicable in automotive, plumbing, aerospace, and general engineering tasks.
These bonded seal washers meet CE, cUR, and UR standards, ensuring compliance with recognized quality benchmarks.
They are manufactured in the United Kingdom.
The sub-type of these washers is a bonded seal.
The precise dimensions of the washers ensure a reliable seal under bolt heads, threaded components, pipe couplings, and connectors, preventing leaks.
The metal annulus provides robustness to the washer, enhancing its sealing performance in high and low pressure fluid systems.
These washers effectively seal against gases, oils, and fluids, maintaining system integrity and preventing leaks.
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