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Acceptability of stainless steel connectors with Aluminum backshells

I'm looking for corrosion information on stainless steel MIL-DTL-38999 connectors used with AS85049/18 aluminum alloy backshells. There are two finishes available for the backshells: electroless nickel and cadmium - olive drab. Are we asking for major trouble by putting stainless steel connectors with aluminum backshells? Or is one of the available finishes suitable for use with stainless steel? The environment we will be using these connectors in is harsh and by the ocean.

Thanks!

Audrey Moyers
electrical engineer - Florida
October 7, 2009

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