30-some Year Old US Divers 1st.

[Luis H]

That is the IP adjustment screw.

You can go to Vintage Double Hose.com and download full service manuals for that regulator. It will also show you diagrams with all the parts.

 

[tech3324]

Yes. That's it. The 1" dia slotted thing, that's the tension screw or a cover?

That's the Adjustment Screw.

 

[PanamaMike]

That is the IP adjustment screw.

You can go to Vintage Double Hose.com and download full service manuals for that regulator. It will also show you diagrams with all the parts.

Got it! Perfect. Thanks immensely.