
Target: Armored naval craft, reinforced concrete, heavy steel construction.
Fuzes: M102 or AN-M102, including A1 and A2 modifications.
Body construction: These bombs are converted seacoast artillery shells from which the rotating bands may have been removed. The cases are single piece steel forgings.
Construction of tail: A truncated tail cone is secured to the bomb base by a locking nut at the top of the fuze body; four fins or vanes are supported by internal box-type struts.
Filler is Explosive D (32.68 lb, 14.9 kg).
Nothing else to see.
OP 1664, Volume 2 - US Explosive Ordnance (1947)
USNBD - Bombs and Fuzes, Pyrotechnics (1945)
TM 9-1904, Ammunition Inspection Guide (1944)