Image shown is representative and may differ from the actual product in size, proportions, and color shade
0.070 in
(1.78 mm)
0.114 in
(2.90 mm)
Detailed Description
FF252-75-OR-006 is a Black, 90 Shore A, FFKM (Perfluoroelastomer) O-Ring made from Parofluor® (Parker) and Parker Seal® (Parker). It is a 90 durometer FFKM (Perfluoroelastomer). FF252-75-OR-006 is AS568 size -006 O-Ring also referred to as 1.78mm (Cross Sectional Diameter (CS)) x 2.9mm (Inside Diameter (ID)). Material: 90 Durometer FFKM Parofluor FF252-75 O-Ring Size: AS568 -006, 1.78mm CS X 2.9mm ID (0.070" CS X 0.114" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | FF252-75 |
| Brand | Parofluor® (Parker), Parker Seal® (Parker) |
| Material | FFKM (Perfluoroelastomer) |
| Color | Black |
| Durometer | 90 Shore A Hardness |
| High Temperature | 320 °C / 608 °F |
| Low Temperature | -15 °C / 5 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -006 |
| Cross Section (CS) | 1.78 mm / 0.070 in |
| Inside Diameter (ID) | 2.90 mm / 0.114 in |
FF252-75 is a black perfluoroelastomer (FFKM) developed for aerospace sealing applications requiring exceptional heat and fluid resistance. Listed on the AMS 7257 Qualified Products List, it exceeds the specification’s requirements for demanding engine oil, fuel, and hydraulic system environments. Its recommended operating temperature range is -15°C to 320°C (5°F to 608°F).
Manufactured without fluorosurfactants, FF252-75 combines high temperature stability with broad chemical resistance. Its low compression set helps seals maintain resilience during prolonged heat exposure, supporting reliable sealing and extended service life. The material is available in O-rings and custom molded shapes.
Canyon Components offers Canrez® CP75BK01 as an FFKM alternative to consider for equivalent heat and chemical resistance requirements. This black, 75 Shore A compound provides broad chemical compatibility, low compression set, and a service temperature range of -15°C to 320°C. For applications requiring AMS 7257 qualification, confirm the necessary approvals and application suitability with Canyon Components before specifying a replacement.
