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O-RING · NBR

O-ring 33.5 × 1.8 mm · NBR 80 · 20A8

O-ring with an inside diameter of 33.5 mm and a cross-section of 1.8 mm (33.5x1.8), in NBR 80 Shore A to NF L 17-120 (material code 20A8). Nominal outside diameter 37.1 mm, weight 0.364 g. Reference 5331-14-414-5886.

Oringaero referenceOA-20A8-33.5X1.8
Material code20A8 — NBR
Material standardNF L 17-120
Hardness80 Shore A
Inside Ø33.5 ± 0.30 mm
Cross-section1.8 ± 0.08 mm
Nominal outside Ø37.1 mm
ColourBlack
Weight0.364 g
Continuous temperature¹−30 to +120 °C
Short-term temperature¹−30 to +140 °C
TolerancesISO 3601-1:2012 — class A, annex A
Surface imperfectionsISO 3601-3:2005 + Amd 1:2018 — grade N
Reference5331-14-414-5886

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

  • 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 20A8: tensile strength 18.3 MPa, elongation at break 225 %, compression set 29.3 % (70 h at 125 °C), density 1.29 g/cm³.

Tolerances, surface imperfections and storage →