
Base Fuze Mk 48 (and Mods) is the current and preferred assembly for this projectile; however, the Base Fuzes Mk 39 or Mk 28 may be used.
The Auxiliary Detonating Fuze Mk 55 is the preferred assembly in this projectile.
No information about functioning.
Nothing else to see.
OP 1664, Volume 1 - US Explosive Ordnance (1947)