Hood hinges

Do the hinges have any other hardware other than the push lock retainers? Wondering if there is a washer that needs to be on the studs with the push lock washer.
20181029_131605.jpg Just posted this for another guy, this is a 73 scamp hinge and is factory with no washers only the locking retainers. the hood holds it from any side movement. looks cheesy but that's how it was made.