For Newmar's it is PTL engineering that makes the door holding arms.
Door Holding Arm PTL Engineering,810-664-2310 ================ btrombley@ptlengineering.com Try: ptlengineering.com ,they have several different holding arms. Siggy
I do not but did you try the National RV owners forum/ http://www.irv2.com/forums/f105/ Also places like Colaws rv parts and Visone RV parts might have the door and hinge you need.
I see visone has a 2007 National Pacifica for parts. They are about 200 miles from you