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This FFKM - FFPM O-Ring has a diameter of 278x7 mm and is Black in color. The hardness of this O-ring 278x7 - FFKM - FFPM - F757ZFD - FDA - USP Class VI - 75 Shore A - Black - ORS181657 is 75 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 -20 ºC to 270 ºC. O-Rings 614497 are referred to as 181657 and have a DIN 3771 size of 278x7. This item is equivalent to and has an FDA - USP Class VI approval. The chemical name of this O-Ring is Perfluoroelastomer.
| Article number | 181657 |
| Alternative Sizes | |
| DIN 3771 Size Chart | 278x7 |
| ISO 3601 Size Chart | 278 x 7 |
| Size in text | two hundred and seventy eight zero by seven zero |
| SMS 1586 Size chart | 278 X 7 |
| Approximately equal to | |
| Greene Tweed Chemraz® Equivalent | Greene Tweed Chemraz ® SD625 |
| Export specifications | |
| Country of Origin | IT |
| Customs Code | 40169300 |
| General Specifications | |
| Material | FFKM - FFPM |
| Hardness | 75 Shore A |
| Color | Black |
| Approval | FDA - USP Class VI |
| Compound Number | F757ZFD |
| CS (Cross Section) | 7 mm |
| Dimensions | 278x7 |
| ID (Inner diameter) | 278 mm |
| Seal type | O-ring |
| Other Specifications | |
| Alternative names | FFKM – FFPM |
| Chemical Name | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 278x7 |
| Product name | O-ring 278x7 FFKM – FFPM | F757ZFD | FDA - USP Class VI |
| Technical Specifications | |
| Compression Set | 32 % |
| Specific Gravity | 2,00 (±0,03) g/cm3 |
| Temperature Max | 270 ºC |
| Temperature Min | -20 ºC |
| Tensile Strength | 20 MPa |
| Ultimate Elongation | 190 % |
| attachment |  Material Datasheet |
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