Army · SSN history

173 Title not stated in source

Army SSN 173 was listed as deleted, with SSNs 070 and 075 suggested as substitutes. The listing does not establish a merger or an automatic conversion to either code.

Codes named in this history

Codes without a directory match

  • 070 stated by the source. No directory or archive record matches.
  • 075 stated by the source. No directory or archive record matches.

Documented history

Title not stated in source

June 30, 1945 is the publication date of Change 2, which contains the listing. No effective deletion date is stated for SSN 173.

  • The listing does not name the deleted specialty or explain when to use each suggested substitute.
Source extraction notes

Appendix I lists deleted SSN 173 with suggested substitutes 070, 075. The table does not print the deleted specialty title, so the neutral title placeholder is used. The row-level deletion date is unstated. The citation dates Change 2 to 30 June 1945; that publication date is not an effective deletion date.

Source documents (1)

Reviewed September 23, 2026 against references 1 and 2.

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.