These vane type, delay armed, impact nose fuzes either are or are not water discriminating, depending upon the design of the striker plate and the shear threads supporting the striker. Air travel of approximately 450 feet is necessary to arm these fuzes for action. Nose fuze Mk 243 Mod 0 differs from nose fuze Mk 244 Mod 1 in external markings and in the delay element.
Primer Mk 105 Mod 0, Detonator Mk 58 Mod 0, 1.9 oz tetryl booster, Detonator Mk 22 Mod 0, tetryl lead. Adapter Booster T45E1 or T45E4.
MIL-HDBK-146, Fuze Catalog (1982)
TM 9-1325-200, Bombs and Bomb Components (1966)
OP 2216, Volume 1 - Aircraft Bombs, Fuzes, and Associated Components (1960)
OP 1664, Volume 2 - US Explosive Ordnance (1947)
USNBD - Bombs and Fuzes, Pyrotechnics (1945)