US Cartridge, 120mm Illuminating, M91

 

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Description

This cartridge is used for illuminating a mortar tube. This cartridge is for use in the M-120 120mm mortar system only.

The complete round consists of a steel body and tail cone assembly an illuminant candle and parachute assembly a time fuze with a built-in expelling charge, a fin assembly 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 fin assembly, and is attached to the body tube with eight equally spaced shear pins. The illuminant assembly consisting of a first-fire charge and an illuminant charge, is contained in an aluminum case and attached to the parachute with a fiberglass suspension line.

See Also

Nothing else to see.

Source(s)

TM 43-0001-28, Artillery Ammunition (chg 11, 2003)