Firing device?

Firing device?
50mm long.

Hi Joe,

This is a M252 cartridge used to release a cargo parachute with a 20 sec. delay.

Regards,

Fede

Thank you Fede.

Just took some pictures of this earlier XM252 variant made by Picatinny in 1968.

XM252A

XM252B

XM252C

Details from the technical manual:

Great info Fede thanks !
here are two others
The upper is lot PA-290-3 & is dated 3-65
The lower is lot FA-307-1 and is dated 4-66
DSCN0050DSCN0051

Funny how the one I obtained is stamped in black ink, and the ones Fede and Pete show are stamped into the metal.