I am in the middle of refinishing my (circa 1985) Pennsylvania House dining room furniture made from pecan wood. The hardware on the China cabinet doors include plastic rollers (see photos) which have hardened, cracked and fallen apart with time (as have I!).
The pins holding the window glass in place seem like they must be equally brittle by now, so I don't want to remove them until I have replacements on hand just in case (see photo). And all 6 chairs and the tables need new floor protectors. Only 2 of the originals remain, but are on the table legs and too difficult to photograph. They were about 3/4 to 1 inch diameter plastic with a nail molded into the plastic and affixed to each foot.
Can you help with these items? Do you need more info and/or pics?