Marine Corps · Legacy SSN

231 Switchboard Installer, Telephone and Telegraph, Dial

Converted to 097, effective 1945.

Documented history

Switchboard Installer, Telephone and Telegraph, Dial · Converted to 097, effective 1945

Predecessor title from the AR 615-26 column: Switchboard Installer, Telephone and Telegraph, Dial. Suggested conversions/remarks: 097. The table gives no row-level effective date; effectiveTo records the June 1945 manual year.

Sources

Sourced from official classification manuals and messages. Spot an error? Let us know.