A sample from the products for the Rear Combination Lamp (e18, E26, E39) include: Spacer(6.1x9x7.5), Washer, Washer, Cushion, Bracket.
In this schematic the "Screw" is used most often.
The Rear Combination Lamp (e18, E26, E39) assembly is constructed from several parts from which the Lamp, Rear Combination is the most expensive.