What every 727 builder needs to hold the mic and O2 selector panels in the sidewall interior:
http://i63.photobucket.com/albums/h1...lExtension.jpg
BpB has a variety of surplus aircraft items. Lots of military stuff and a good selection of airliner stuff as well. $30 US. To be installed in the Captain's sidewall panel.
www.bpbsurplus.comm
Have a look around. This is my first order with them.