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This FFKM - FFPM O-Ring has a diameter of 253.4 x 7 mm and is Black in color. The hardness of this O-ring 253.4x7 - FFKM - FFPM - F909ZEX - AED - Norsok M710 - High Temp (>320°C) - 90 Shore A - Black - ORS188644 is 90 Shore A. Alternative names for the compound are FFKM – FFPM, and it is commonly produced by . The O-Ring is typically used in and has an operating temperature range from -15 ºC to 340 ºC. O-Rings 651756 are referred to as 188644 and have a DIN 3771 size of 253.4 x 7. This item is equivalent to and has an AED - Norsok M710 - High Temp (>320°C) approval. The chemical name of this O-Ring is Perfluoroelastomer.
| Article number | 188644 |
| Alternative Sizes | |
| DIN 3771 Size Chart | 253.4 x 7 |
| ISO 3601 Size Chart | 253.4x7 |
| Size in text | two hundred and fifty three comma forty by seven zero |
| SMS 1586 Size chart | 253.4x7 |
| Export specifications | |
| Country of Origin | IT |
| Customs Code | 40169300 |
| General Specifications | |
| Material | FFKM - FFPM |
| Hardness | 90 Shore A |
| Color | Black |
| Approval | AED - Norsok M710 - High Temp (>320°C) |
| Compound Number | F909ZEX |
| CS (Cross Section) | 7 mm |
| Dimensions | 253.4x7 |
| ID (Inner diameter) | 253.4 mm |
| Seal type | O-ring |
| Other Specifications | |
| Alternative names | FFKM – FFPM |
| Chemical Name | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 253.4x7 |
| Product name | O-ring 253.4x7 FFKM – FFPM | F909ZEX | AED - Norsok M710 - High Temp (>320°C) |
| Technical Specifications | |
| Compression Set | 18 % |
| Specific Gravity | 1,98 (±0,03) g/cm3 |
| Temperature Max | 340 ºC |
| Temperature Min | -15 ºC |
| Tensile Strength | 20,6 MPa |
| Ultimate Elongation | 110 % |
| attachment |  Material Datasheet F909ZEX |
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