# O-ring 9.4x3 mm NBR 70 · 23B7 NF L 17-123 | Oringaero

Source: https://oringaero.fr/en/produits/23b7-9-4x3.html

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1. O-ring2. Drawing[Open the PDF drawing ↗](https://oringaero.fr/plans/Plan_23b7-9-4x3_9.4x3_23B7.pdf)O-RING · NBR

# O-ring 9.4 × 3 mm · NBR 70 · 23B7

O-ring with an inside diameter of 9.4 mm and a cross-section of 3 mm (9.4x3), in NBR 70 Shore A to NF L 17-123 (material code 23B7). Nominal outside diameter 15.4 mm, weight 0.369 g.

Oringaero reference | OA-23B7-9.4X3 | 

Material code | [23B7 — NBR](https://oringaero.fr/en/matieres/23B7.html) | 

Material standard | NF L 17-123 | 

Hardness | 70 Shore A | 

Inside Ø | 9.4 ± 0.13 mm | 

Cross-section | 3 ± 0.08 mm | 

Nominal outside Ø | 15.4 mm | 

Colour | Black | 

Weight | 0.369 g | 

Continuous temperature¹ | −50 to +120 °C | 

Short-term temperature¹ | −50 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 17-123; 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

Diester lubricants.

Values measured at qualification of compound 23B7: tensile strength 11.8 MPa, elongation at break 267 %, compression set 22.7 % (70 h at 125 °C), density 1.34 g/cm³.

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

## Explore this material

[Properties and temperatures: 23B7](https://oringaero.fr/en/matieres/23B7.html)
[Browse all dimensions](https://oringaero.fr/en/catalogue/23b7-1.html)
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Adjacent catalogue sizes are not interchangeable; confirm dimensions and suitability.