Soviet? 85mm X 630mm shell

[Brian Keith]

Found this at the local antique tractor show. Can any body tell me exactly what it is? Who/when it was made? What gun or guns it went to? The mouth measures 85mm length of case is 630mm, the base measures 112 mm. See photo's for markings. It pretty unusual to find a shell like this in the middle of the US.
Thanks in advance for any responses and your interest.
BKW

 

[Tmine35]

I think it goes to 85mm AA-gun model 1939 ( don't have my case measures list on hands now but stencil says 85-39 ). Looks like it's post war made as there is no year stamp on base, stencilled on side is 53 which could be 1953 but at this time Russians also used letter year codes - so I'm not 100% sure and just speculating.

 

[Brian Keith]

Thanks Much Tmine35!
I suspected the 53 may have been a date.
BKW

 

[Tmine35]

Forgot to mention that the same case as for 85mm AA-gun model 39 also was used in 85mm T34 tank gun.

 

[APFSDST]

I think the year code is the "E". What mean 54.

 

[jvollenberg]

The round is the UO-365, 85-MM, Russian HE round

 

[Brian Keith]

Thanks very much everyone, Your info is great!
Regards,
BKW