Air Force · AFSC history

531X1 Metals Processing

Converted to 427X4, dated April 1, 1977 by the source.

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Codes named in this history

Codes without a directory match

427X4 stated by the source. No directory or archive record matches.

Documented history

Metals Processing

Second directional code change in the source-stated career-ladder sequence; obvious OCR '19771' normalized to 1977. Verified source wording: “Originally established as AFS 532X0 in 1951, the Metals Processing career ladder AFSC was changed to 531X1 in 1975, and received the current designation of 427X4 in April 1977.”

Source documents (1)

Metals Processing Career Ladder, AFSC 427X4.
1. Internet Archive full-text OCR around char offset 7,310; governing lineage context verified · source dated August 1, 1985
Printed page 1 (archive 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.