Discontinued Interlock only for an Andersen Primed Wood gliding door built from 1966-82. 
This will fit the two panel door or the stationary panel without the lock of a 3 panel door. Handing is not an issue. 

It is Tan ( pinkish tint) in color. 
It goes on the stationary panel. 
79-3/4 inches long. 

Related Parts: 
1276406 - Stationary Panel Interlock & Weatherstrip Left Hand 
1276404 - Stationary Panel Interlock & Weatherstrip Right Hand ( sold out)
1276410 - Operating Panel Interlock, Not handed, Left or Right hand door 

This is one of two pieces for this location. The interlock weatherstrip is #1270634 for the LH door and #1270618 for the RH door.  
For more information, please read article: Identify Your Andersen Weatherstrip 
or download a Worksheet in PDF format to help you decipher which door you have.