5in Cartridge Case (11A06)
This cartridge or powder case forms part of the ammunition for the 5 inch (38 calibre) deck gun mounted on the stern of the Liberty ship S.S. James Eagan Layne. The case is a brass cylinder closed at one end which held the smokeless powder propelling charge and a case combination primer (1).
On the base of the case is marked: FSC, 4, 1944, 5in MK5 38CAL, Lot No 190 BFT
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Images
References
(1) Wikipedia 5in/38 Calibre Gun
Operating Instructions for Five Inch, 38 Caliber, Gun Crews, February 1943