Impossible to ID a weapon from just the serial number.
Sometime in the 1930's or 1940's
1912
1911
1915-1916 is a best estimate
1913
50 or so
on hallet davis co. upright piano seriel #69465
Proofhouse.com has Colt sn tables.
No published sn data
If you know the brand, or who made your Navy arms co revolver, they would be able to tell you what year it is. There isn't anything on the internet with serial number 13490. You may also be able to take it to a gun shop and they may be able to tell you.
1910
AROUND 1917.