# O-ring 40x2.5 mm NBR 60 · 20A6 NF L 17-120 | Oringaero

Source: https://oringaero.fr/en/produits/20a6-40x2-5.html

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1. O-ring2. Drawing[Open the PDF drawing ↗](https://oringaero.fr/plans/Plan_20a6-40x2-5_40x2.5_20A6.pdf)O-RING · NBR

# O-ring 40 × 2.5 mm · NBR 60 · 20A6

O-ring with an inside diameter of 40 mm and a cross-section of 2.5 mm (40x2.5), in NBR 60 Shore A to NF L 17-120 (material code 20A6). Nominal outside diameter 45 mm, weight 0.793 g.

Oringaero reference | OA-20A6-40X2.5 | 

Material code | [20A6 — NBR](https://oringaero.fr/en/matieres/20A6.html) | 

Material standard | NF L 17-120 | 

Hardness | 60 Shore A | 

Inside Ø | 40 ± 0.36 mm | 

Cross-section | 2.5 ± 0.08 mm | 

Nominal outside Ø | 45 mm | 

Colour | Black | 

Weight | 0.793 g | 

Continuous temperature¹ | −30 to +120 °C | 

Short-term temperature¹ | −30 to +140 °C | 

Tolerances | ISO 3601-1:2012 — class A, annex A | 

Surface imperfections | ISO 3601-3:2005 + Amd 1:2018 — grade N | 

¹ Service temperatures to NF L 17-120; the short-term temperature applies to brief exposure.

QuantityAdd to my request
- Manufacturer: JUNGA Ltd, EN 9100 certified

- Lead time: 2 to 4 weeks depending on quantity

- Packaging: individual bags, labelled to NF L

- Price: on quotation; state the conformity documents you need

## Application and inspection

Mineral-based or synthetic-hydrocarbon hydraulic fluids.

Values measured at qualification of compound 20A6: tensile strength 19.0 MPa, elongation at break 460 %, compression set 25.9 % (70 h at 125 °C), density 1.21 g/cm³.

[Tolerances, surface imperfections and storage →](https://oringaero.fr/en/normes.html)

## Explore this material

[Properties and temperatures: 20A6](https://oringaero.fr/en/matieres/20A6.html)
[Browse all dimensions](https://oringaero.fr/en/catalogue/20a6-2.html)
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Adjacent catalogue sizes are not interchangeable; confirm dimensions and suitability.