Description
The head is filled with FS or PWP smoke. The Mk 9, the initial California Institute of Technology production, was not issued. The Bureau of Ordnance, in adopting this head, increased the length 1-1/2 inches and issued the round as the Mk 6.
Functioning
No information about functioning.
Hazardous Components
No information about hazardous components.
See Also
Source(s)
OP 1664, Volume 1 - US Explosive Ordnance (1947)
