U.S. Navy Chief Petty Officer Machinery Repairman MR double headed wrench on a nut. Machinery Repairmen are machine ship tool operators who craft replacement parts and perform precision tool work. This is dress white uniform sleeve insignia featuring the blue perched eagle (crow) on upper rocker arc, and three lower chevrons, or E7 rank. The design is from mid to late 20th century uniform production or vintage Gemsco or military exchange deadstock.
-Made by Gemsco Inc.
-Vintage-New-Old Stock
-Dress Whites Rank patch
-White Uniform sleeve rank size 6" X 3 7/8"