M150 (Tail, All-Ways Action)

Bomb

Functioning

Armed condition

Fuzes used with

Arming time

Body diameter, inches

Over-all length, inches

Material

Zinc alloy die castings

General: The Tail Fuze M150 is an all-ways action fuze which screws into the tail of the Smoke Bomb M77. This fuze consists essentially of a zinc alloy fuze head, arming pin, striker, striker sleeve, and case, a steel striker pin and safety pin, a Percussion Primer, M26, and a starting mixture enclosed in a zinc cup.

Operation: The retaining wire is removed when the fuzed bombs are assembled in the cluster. While the bombs are in the cluster their proximity holds an arming band with a spring against the head ot the fuze, depressing the arming pin. When the bombs are re-leased, the arming pin, together with the arming band, is forced out by the arming-pin spring, permitting the safety pin to enter the cavity in the striker. Impact forces the stri-ker and sleeve together, causing the striker pin to pierce the Percussion Primer M26, which, in turn, ignites the starter mixture, and subsequently the HC smoke mixture.

Figure 352. All-Ways Action Tail Fuze M150