Sundstrand Series 40 SAE C Auxiliary Mounting Flange
The mounting flanges that are being changed are 130cc, 180cc and 250cc. It will have a more sealing improvements with a bigger cross section oring. The oring will seat down in the groove of the flange to go together. The sizes of the new is .103″ versus the old size .070″. It will have a donut style c pad seal and a flat cover so it can be put together better and easier. Make sure you get rid of the older one and put on the new style.
Below are part numbers affected by the changes
If you need further information, call us at 800-361-0068