Lost part. Oil filter 90 deg adapter for 2800 V6?

I have a 90 deg oil filter relocater (I guess that's what its called) from a 75 Pinto 2800 V6. I don't know if a Mustang used the same part or not. Its an aluminum adapter that hangs off the side of the block and turns down. I think it uses an FL400 filter.

Anyway, I lost the darm hollow bolt that goes through the adapter and screws into the block. Does anyone have one of these or know the part number so I could locate another? What other cars used these? This was a 75 Pinto Wagon.

I would try looking at the Ranger or BroncoII, they might use them on the V6's.