SAFE SERIAL NUMBERS CROSS
REFERENCED TO MANUFACTURING DATES
The following list indicates the first serial number assigned
at the beginning of each year.
From 1946 through 1989 all serial numbers were suffixed with a dash and
an additional number(s) which indicated the number of a specific unit manufactured in that
lot group (i.e., 12345-52 = the fifty-second unit built under lot number 12345 during
1956).
.Prior to 1946, the numbers were referred to as “handle” numbers -
usually stamped on the handle of the safe.
Note that serial numbers beginning with 30,000 are used on safes being
manufactured at Orangeburg, SC; and no longer include “dash” numbers.
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