
Auxiliary booster Mk 4 Mod 0 is an explosive contained in a chipboard tube which is closed at both ends by metal caps cemented to the tube. White bomb paper is glued to the outside of the tube and is covered by a transparent lacquer or shellac. The auxiliary booster is used in the nose fuze seat liners of AN-GP bombs using nose fuze Mk 219.
No information about functioning.
TNT, 63 grams
TM 9-1325-200, Bombs and Bomb Components (1966)
OP 2216, Volume 1 - Aircraft Bombs, Fuzes, and Associated Components (1960)