Marine Corps · SSN history

338 Instrument Repairman, Electrical

Appendix B identifies SSN 338 as “Instrument Repairman, Electrical” under AR 615-26, September 1942 and supplements. It suggests SSNs 078, 635, 686, 917, 918, and 919 as possible replacements, subject to review of the individual's qualifications against the job specifications, not automatic conversion.

Codes named in this history

Codes without a directory match

  • 078 stated by the source. No directory or archive record matches.
  • 635 stated by the source. No directory or archive record matches.
  • 686 stated by the source. No directory or archive record matches.
  • 917 stated by the source. No directory or archive record matches.
  • 918 stated by the source. No directory or archive record matches.
  • 919 stated by the source. No directory or archive record matches.

Documented history

Instrument Repairman, Electrical

June 1945 is the manual's publication date; no effective date for a change to SSN 338 is given.

  • The June 1945 Present Title column is blank for SSN 338.
  • The suggested alternatives do not establish a fixed split into six successor specialties.
Source extraction notes

Predecessor title from the AR 615-26 column: Instrument Repairman, Electrical. Suggested conversions/remarks: 078, 635, 686, 917, 918, 919. 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.