O-RING · FPM / FKM
O-ring 53.69 × 1.78 mm · FPM 75 · 60C7
O-ring with an inside diameter of 53.69 mm and a cross-section of 1.78 mm (53.69x1.78), in FPM 75 Shore A to NF L 17-260 (material code 60C7). Nominal outside diameter 57.25 mm, weight 0.807 g.
| Oringaero reference | OA-60C7-53.69X1.78 |
|---|---|
| Material code | 60C7 — FPM / FKM |
| Material standard | NF L 17-260 |
| Hardness | 75 Shore A |
| Inside Ø | 53.69 ± 0.46 mm |
| Cross-section | 1.78 ± 0.08 mm |
| Nominal outside Ø | 57.25 mm |
| Colour | Black |
| Weight | 0.807 g |
| Continuous temperature¹ | −20 to +200 °C |
| Short-term temperature¹ | −20 to +260 °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 17-260; 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
Oils, fuels and some diester lubricants.
Values measured at qualification of compound 60C7: tensile strength 18.4 MPa, elongation at break 193 %, compression set 20.7 % (70 h at 200 °C), density 1.86 g/cm³.

