fairly old, 1930-1949 at a guess
84120
Your Winchester model 1890 .22 pump rifle was made by Winchester in 1914.
The Winchester model 270 was produced from 1963-1974.Winchester did not keep records of the production by year of these serial numbers.
Congratulations. No sn = no answer.
If we are talking about a Winchester model 1890 .22 cal pump rifle? Then I can say that yours was made by Winchester after 1932.That is when Winchester started to choose random serial numbers for the model 1890 and some serial numbers were skipped.The highest known serial number is 849,100.The final count on these pump .22 cal rifles was 764,215 made from 1890-1944.
Your Winchester model 62 was one of the last rifles made by Winchester in the year 1933.
With the serial number that you have supplied,your Winchester model 1890 pump action rimfire rifle was made in the year 1902.
Proofhouse.com has serial number tables for Winchester.
With the serial number that you have supplied,your Winchester model 1890 pump action .22cal rifle was made in the year 1912.
With the serial number that you have supplied,your Winchester model 1890 pump action .22cal rifle was made in the year 1928.
Your Winchester model 1890 pump action rifle was made in the year 1927 buy the serial number that you have provided.
With the serial number that you provided,your Winchester model 1890 pump action .22cal rifle was made in the year 1904.
With the serial number that you have supplied,your Winchester model 1890 pump action .22cal rifle was made in the year 1925.