Marine Corps · SSN history

083 Filter Operator, Water Supply

Appendix B identifies SSN 083 as “Filter Operator, Water Supply” under AR 615-26 of September 1942 and its supplements, and suggests SSN 727 as a possible replacement. This was not an automatic conversion: each affected Marine’s Qualification Card had to be reviewed against the job specifications before assigning a replacement.

Codes named in this history

Codes without a directory match

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

Documented history

Filter Operator, Water Supply

June 1945 is the manual’s publication date, not an effective conversion date. No effective date is given for this entry.

  • The June 1944 tentative-title and June 1945 Present Title columns are blank; the entry does not establish a fixed transition to SSN 727.
Source extraction notes

Predecessor title from the AR 615-26 column: Filter Operator, Water Supply. Suggested conversions/remarks: 727. 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.