How many assemblies are described by this one assembly drawing?

What part number $($not item number$)$ is common to all of the assemblies desribed by this drnwing?

How many different BODY options are there with respect to this drawing?

How will the date code be applied to the assembly?

What is the find $($item$)$ number of the part that is adjusted to set the spring compression:

What is the basic height of this assembly as shown in the section view?

What process is to be performed just prior to assembly?

Is the main spring shown as a section?

Part PRV$250-3$ is a threaded part whose top surface must be assembled to a distance of $\_$ below the top surface of the body.

What does it mean that the $\mathrm{.}875$ HEX dimension value is in parentheses?

What is the scale of the views on the original drawing?

Are there any cutting$-$plane lines shown in this drawing? $q,$