Bomb MT Mechanical Time Fuzes

Nose and tail MT fuzes, although varying in explosive characteristics, are essentially of one type. They resemble MT artillery fuzes described in Section 5, 

Cutaway views of AN-M146A1 fuze are given in Figs 4-17a 4-17b, and cutaway view of M155A1 is given in Fig 4-18 

All currently used types of MT fuze, except M155A1 are detonator-safe (i.e., the detonator is held out of line with the booster-lead until the fuze arms) 

Nose and Tail MT Fuzes (older as well as newer designs), consist of a body which contains the time element the expl train, and a head which contains the mechanical arming firing system. Head and body 

The newMT fuze M907 does not utilize an arming sleeve or a safety block as stated above for other models (Ref 51a, p 4-70) 

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