I've used all kinds of different ref. des., such as EL for Ejector Latch, PK for Polarizing Key, HS for Heat Sink, or just plain old HW for HardWare.  I really don't think it matters too much as long as it is somewhat logical and it is understandable.  If you get your message across, then you've done a good job.

David Baldwin CID+

At 09:25 AM 2/21/02 -0600, you wrote:

>To All

>

>I have a  question about what is used as a reference designator for a

>mechanical part that is added to the PCB during the assembly process and

>is not a post soldering process. This part is a mechanical part that is

>soldered to the PCB as a keying feature. Similar to a 7343 part. What do

>you use to denote this part?

>Any input would be appreciated.

>

>Thanks

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