
The M104 is a burster type projectile with a hollow forged steel body, and a threaded steel adapter at the top. Its external configuration is similar to the M101 HE (high explosive) shell. It has a centrally oriented burster tube containing an explosive burster. The adapter can be fitted with a fuze or with an eyebolt lifting plug for use in shipping and handling. It has a rotating band near the base of the shell which is covered with a removable grommet for protection during shipping and handling. Chemical fillers used in the M104 include mustard (H/HD/HS), nitrogen mustard (HN-1), Lewisite (L) and smokes (FS and WP). The current chemical stockpile only retains M104 rounds filled with mustard (H/HD/HS); however, recovered WWII era items may contain the other fills described here.
No information about functioning.
No information about hazardous components.
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Old Chemical Weapons and Related Materiel Reference Guide (2018)
Old Chemical Weapons Reference Guide (1998)
TM 9-1904, Ammunition Inspection Guide (1944)