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Firing Device, Pull Friction, M2

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1411-f246

Description

This device is designed for firing explosive charges by means of a trip wire. A direct pull of three to nine pounds will actuate it.

The principal parts are the black bakelite body, pull ring and spring, coated wire, friction compound, safety pin, and non-removable base. The fuze is assembled when issued, with the safety pin inserted through the body to prevent premature ignition.

Do not attempt to remove the base from the fuze body.

Functioning

When the fuze is set with a blasting cap crimped to the base and inserted in an explosive charge, the safety pin is removed. A pull of three to nine pounds on the pull ring will stretch the spring and draw the coated wire through the friction compound. The friction compound ignites and shoots a flame out of the open end of the base, to detonate the blasting cap and the main charge.

Hazardous Components

No information about hazardous components.

See Also

Nothing else to see.

Source(s)

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