Oringaero.fr

O-RING · NBR

O-ring 145 × 4 mm · NBR 60 · 21B6

O-ring with an inside diameter of 145 mm and a cross-section of 4 mm (145x4), in NBR 60 Shore A to NF L 17-121 (material code 21B6). Nominal outside diameter 153 mm, weight 7.059 g.

Oringaero referenceOA-21B6-145X4
Material code21B6 — NBR
Material standardNF L 17-121
Hardness60 Shore A
Inside Ø145 ± 1.02 mm
Cross-section4 ± 0.10 mm
Nominal outside Ø153 mm
ColourBlack
Weight7.059 g
Continuous temperature¹−40 to +100 °C
Short-term temperature¹−40 to +120 °C
TolerancesISO 3601-1:2012 — class A, annex A
Surface imperfectionsISO 3601-3:2005 + Amd 1:2018 — grade N

¹ Service temperatures to NF L 17-121; 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

Fuels.

Values measured at qualification of compound 21B6: tensile strength 13.2 MPa, elongation at break 412 %, compression set 10.2 % (70 h at 100 °C), density 1.2 g/cm³.

Tolerances, surface imperfections and storage →