Metalsmith (SR) (Coppersmiths) · Merged into FP, effective 1948
Malin/BUPERS source assertion: Established 1948 from the ratings of Shipfitter (SR) (Pipe Fitters and Plumbers), Shipfitter (CR) (Pipe Fitters and Plumbers), and Metalsmith (SR) (Coppersmiths). Normalized as merged/included. One or more historical long-title variants were normalized to a reviewed companion-list abbreviation by similarity match; the intermediate ledger records the method and the audit lists the source anomalies.
Sources
- Charles A. Malin/Bureau of Naval Personnel, Compilation of Enlisted Ratings and Apprenticeships, U.S. Navy, 1775 to 1969 (rev. Dec. 1969) (#anchorp, Pipefitter entry; reproduced on archived Ohio PDF p. 13)
- Charles A. Malin/Bureau of Naval Personnel, Abbreviations Used for Navy Enlisted Ratings (1970) (alphabetic abbreviation list, M(SRC), FP entries)