US Cartridge, 81mm Illuminating, M301A1, M301A2
This projectile is used for illuminating a desired point or area.
The complete round consists of a body tube and tail cone assembly, an illuminant candle, and parachute assembly a time fuze with a built in expelling charge, a fin assembly with propellant charge, and an ignition cartridge with percussion primer. The nose of the thin walled steel tubing body is fitted with a steel adapter and internally threaded to accept the fuze. The tail cone is internally threaded to accept the tin assembly, and is attached to the body tube with four equally spaced shear pins. The illuminant assembly consisting of a first fire charge and an illuminant charge, is contained in a box board case and attached to the parachute with a 30-inch suspension line.
Nothing else to see.
Collaborative Ordnance Data Repository