
Adapter booster M148 (T45E7) differs from adapter booster T45E4 in the following respects: Adapter booster M148 (T45E7) contains no fuze seat liner and a steel spacer has been added between the closing cup and the felt disc.
No information about functioning.
No information about hazardous components.
Nothing else to see.
TM 9-1325-200, Bombs and Bomb Components (1966)