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That's an MW079, I dunno if you should be messing with an MW079.
That's part of an FSA self-extracting crank assembly, not a DT Swiss hub part, so you are correct.
Shop said that it was in the hub when I gave it to them (mysteriously, as it'd never been built), between the MTB freehub and the 12mm bolt-thru endcap, so they carefully removed it from there and put it in between the new 11 speed road freehub and 10mm bolt-thru endcap.
That's an MW079, I dunno if you should be messing with an MW079.