Marine Corps · SSN history

502 Administrative NCO

Appendix B identifies SSN 502 as Administrative NCO under AR 615-26 of September 1942 and its supplements, and lists SSNs 501, 584, and 585 as suggested conversions. These were alternatives requiring review of each Marine’s Qualification Card against the job specifications, not an automatic split or assignment to all three.

Codes named in this history

Codes without a directory match

  • 501 stated by the source. No directory or archive record matches.
  • 584 stated by the source. No directory or archive record matches.
  • 585 stated by the source. No directory or archive record matches.

Documented history

Administrative NCO

June 1945 is the manual’s publication date; no effective date is given for changing SSN 502.

  • No June 1945 title is listed for SSN 502, and the entry does not establish a fixed replacement.
Source extraction notes

Predecessor title from the AR 615-26 column: Administrative NCO. Suggested conversions/remarks: 501, 584,585. The table gives no row-level effective date. June 1945 is the manual publication date, not an effective conversion date.

Source documents (1)

Reviewed September 24, 2026 against references 3 and 4.

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