body aluminum.
Receiving washer steel.
Spring steel.

body blue electro zinc-plated.
Washer, hardened and burnished.

The thrust pin can be made to suit the required circumstances and screwed into the tapped hole in the locating washer.
The required lateral thrust (F) can be achieved through the stroke (S) and length (L1).
style B has a seal to keep metal chips and dirt out.

Style A: without seal
Style B: with seal