Air Force · AFSC history

55270 Structural Technician

For active-duty airmen, AFSC 55270 (Structural Technician) was converted to AFSC 3E371.

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3E3X1Structural

Documented history

Structural Technician

The conversion took effect on 31 October 1993. The manual's publication date, 31 October 1994, is not the conversion date.

Source extraction notes

AFMAN 36-2108 Attachment 1 maps predecessor AFSC 55270 to AFSC 3E371; the cited table is effective 31 October 1993.

Source documents (1)

Reviewed September 23, 2026 against references 1 and 2.

AFMAN 36-2108, Airman Classification
1. Attachment 1, p. 92; table effective 31 Oct 1993 · source dated October 31, 1994 · cited by the explanation
Open source document (opens in a new tab)
2.AFMAN 36-2108, Airman Classification · event transcription · docs/legacy-data/usaf-afsc-1993-full-crosswalk.jsonl:344; Attachment 1, p. 92; table effective 31 Oct 1993 · cited by the explanation
Open source document (opens in a new tab)

Building Crafts Supervisor

AFSC 55270 was renamed from Building Crafts Supervisor to Structural Technician in September 1964 without changing its code. In October 1976, it became AFSC 55273, the 7-skill-level supervisory specialty shared by the carpentry and masonry career ladders.

The code change is dated to October 1976; the exact day is not stated.

Source extraction notes

Effective month: October 1976; exact day not stated.

Source documents (1)

Reviewed September 23, 2026 against reference 1.

Carpentry and Masonry Career Ladders, AFSCs 552X0/552X1/55273.
1. Internet Archive full-text OCR lines 437-472; adjudicated excerpt in audit · source dated January 1, 1985 · cited by the explanation
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2.Quoted official passage · 55270 · docs/legacy-data/usaf-osr-lineage-audit.md:219; Internet Archive full-text OCR lines 437-472; adjudicated excerpt in audit
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3.Carpentry and Masonry Career Ladders, AFSCs 552X0/552X1/55273. · event transcription · docs/legacy-data/usaf-osr-lineage.jsonl:183; Internet Archive full-text OCR lines 437-472; adjudicated excerpt in audit
Archive reader page 10 (opens in a new tab)

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