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| Article number | 179665 |
| Equal to | Dupont Kalrez 4079, Greene Tweed Chemraz 615 & Chemraz 551, PPE Perlast G75B, Trelleborg Isolast J8325 & Isolast J9876 |
| Alternative Sizes | |
| BS1806 Size Chart Explanation | BS 625 |
| DIN 3771 Size Chart Explanation | 124.6 x 6.99 |
| Size in text | one hundred and twenty four comma sixty by six comma ninety nine |
| SMS 1586 Size chart | 124.6x6.99 |
| Equivalent to | |
| Dupont Kalrez® Equivalent | Dupont Kalrez 4079 |
| Freudenberg Simriz® Equivalent | Not Known |
| Greene Tweed Chemraz® Equivalent | Greene Tweed Chemraz 615 & Chemraz 551 |
| Parker Parafluor® Equivalent | Not Known |
| Precision Polymer Engineering Perlast® Equivilent | PPE Perlast G75B |
| Trelleborg Isolast® Equivalent | Trelleborg Isolast J8325 & Isolast J9876 |
| Export specifications | |
| Country of Origin | IT |
| Customs Code Explanation | 40169300 |
| General Specifications | |
| Color | Black |
| Hardness Explanation | 75 Shore A |
| Material | FFKM - FFPM |
| Approval | General Purpose (+330�C) |
| CS (Cross Section) Explanation | 6.99 mm |
| Dimensions Explanation | 1.78 |
| ID (Inner diameter) Explanation | 124.6 mm |
| Seal type | O-ring |
| Other Specifications | |
| Alternative names | FFPM � Dupont Kalrez |
| Chemical Name Explanation | Perfluoroelastomer |
| Description 2 | O-ring FFKM - FFPM 124.6x6.99 |
| Product name | O-ring 124.6x6.99 FFKM - FFPM |
| Trade names | Kalrez� - Simriz� - Chemraz� - Spectrum� - Triazinico� - Isolast� - Parofluor� - Fluorez� - Perlast� - Perfluor� |
| Technical Specifications | |
| Compression Set Explanation | 19,5 % |
| Specific Gravity Explanation | 1,98 (+/- 0.03) g/cm3 |
| Temperature Max Explanation | 330 ºC |
| Temperature Min Explanation | -15 ºC |
| Tensile Strength Explanation | 17,8 MPa |
| Ultimate Elongation Explanation | 152 % |
| attachment |  Material Datasheet |
This FFKM - FFPM O-Ring is 124.6 x 6.99mm and in the color Black. The Hardness of this O-ring 124,6x6,99 - FFKM - FFPM - Kalrez 4079 - 75 Shore A - Black - ORS179665 (Equavilent) is 75 Shore A.The alternative names of the compound are FFPM � Dupont Kalrez and they are mostly produced by Kalrez� - Simriz� - Chemraz� - Spectrum� - Triazinico� - Isolast� - Parofluor� - Fluorez� - Perlast� - Perfluor�. The O-ring is commonly used in and has an operating temperature range from -15 ºC to 330 ºC. O-rings 563841 are indicated as 179665 and have a DIN 3771 Size of 124.6 x 6.99. This item is equal to Dupont Kalrez 4079, Greene Tweed Chemraz 615 & Chemraz 551, PPE Perlast G75B, Trelleborg Isolast J8325 & Isolast J9876 and has an General Purpose (+330�C) Approval. The chemical name of this Oring is Perfluoroelastomer.
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