[harrison987]

Hi!

a) does JuN87689 mean, that this is a part form a JU87 ?

No, it is made by Junkers...but it was used in almost ALL aircraft (Me109, Fw190 Me262, Ju87, etc.)

b) what sort of part is this ? What is is used for ?

Usually for fuel control or other control linkages.

c) does "JFM" mean Junkers Flugzeug und Motoren Werke ?

Yes