US Army Keys J-45 J45 Key J45 Key J45 Key J45 Key
J45 Key J45 Key J45 Key 

Manufacture    JFC. Elex INC.
Nomenclature   PN/KY-562/u
Serial Number  27594
Production     1915 - WWII
Base size      2" X 3.5"
     finish    Black
Ckt Closer     No
Aquired        May 2ØØ1
J37 Key J37 Key J37 Key J37 Key J37 Key
KY-116/U Assembly
replaced the J-45 post WWII 

Production     1946 - 1980
Base size      2" X 3.5"
     finish    Black
Ckt Closer     No
Aquired        July 1995