PPRuNe Forums - hydraulic pump seal

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sama_RA

4th November 2009 18:24

hydraulic pump seal

On a seal used on a hydraulic pump shaft there is a bright yellow dot marking on the outer diameter of the seal.
Any ideas what it might be indicative of?

sama_RA

4th November 2009 19:43

Thanks. Was my first guess too that the marking indicates aircraft fluid resistant part but was not sure.
Any regulations on ink/paint marking on Skydrol resistant parts? AMS/MIL specs? Color? My search didn't return me any results. :bored:

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