You are looking at a Vintage Brass And Rubber Fire Hose Nozzle. This nozzle was removed from a tug boat that was being torn apart for scraps.
This fire hose nozzle is made out of brass and rubber. This is exactly like the P4-12A but does not have the Storz name on it.
You would have to use your creative imagination to figure out what you would do with this, but it would make a great addition to your nautical collection!
Base: 3 3/4″
Weight: 7 lbs.