
The body consists of a seamless steel tube over which are fitted rings cut from cast steel pipe. Cast steel nose and base pieces thread onto this center tube.
The bombs may be suspended horizontally, vertically, or in a cluster. U-shaped eyebolts are welded to the bomb at the center of gravity and to the rear of the tail. Later issues of bombs were in the Cluster M3, which contained six 30 pound Frag Bombs M5.
Four rectangular sheet steel vanes are welded to a length of one inch cast iron pipe that screws into the base filling plug.
No information about hazardous components.
OP 1664, Volume 2 - US Explosive Ordnance (1947)
USNBD - Bombs and Fuzes, Pyrotechnics (1945)
TM 9-1904, Ammunition Inspection Guide (1944)