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US Bomb, 4 lb Frag, M83 Butterfly

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Description

The bomb may be internally fuzed with any one of these fuzes; M129 series, M130 series, or M131 series. A loaded bomb cluster usually contains bombs with fuzes from each of the three series. This is an aerial delivered fragmentation (frag) cluster bomb which functions by the type of fuzing employed. The spring-loaded butterfly wings and disk vanes slide down the arming cable, and are folded around the bomb body when the bomb is in the clustered position. Once the fuze is installed in the bomb, there are no features to distinguish between the M130 series clockwork-long-delay fuzes and the M131 series antidisturbance fuzes. The bomb body, arming cable, butterfly wings, and disk vanes are steel.

The M83 bomb is olive drab with a yellow band. Identifying nomenclature is stenciled in yellow or black. The markings GROUND and AIR are on the top surface of the fuze cap near the selector on the M129 and M129A1 fuzes. The M130 series and M131 series fuzes have no markings.

Functioning

No information about functioning.

Hazardous Components

No information about hazardous components.

See Also

Aerial Burst, M129

Antidisturbance, M131, M131A1

MT, M130, M130A1

Source(s)

TM 9-1325-200, Bombs and Bomb Components (1966)

OP 2216, Volume 1 - Aircraft Bombs, Fuzes, and Associated Components (1960)

OP 1280, Aircraft Bombs (1955)

OP 1664, Volume 2 - US Explosive Ordnance (1947)

USNBD - Bombs and Fuzes, Pyrotechnics (1945)