Actually, there is no precise mil standard for OEI performance, so the H-60 family meets no defined OEI standard! It is a screamer, but in FAA minds an unmeasured screamer.
The list goes on - one wonders what the ballistic tolerance of the EC-145 is, or how its crew is protected in crashes. The Huey it beat (and that was briefly a competitor) meets 1956 criteria! Similar questions can be asked about the 407.