ID of a navy thing.

[Michel]

This thing washed up on shore and it is not mine. But im interested to know what it is. I am thinking along the line of a flare of some sort. Headstamp reads 1952, D.A, lot 5, broadarrow and a navy N and 1 3/4 (inch?).

 

[TimG]

Hedgehog A/S propelling cartridge (part of)

TimG

P.S. See http://www.bocn.co.uk/vbforum/threads/88432-Identification-please?p=240238&viewfull=1#post240238

 

[Michel]

That solved the question! Thanks