US Cartridge, 90mm HEAT, M348A1 (T108E46)
These are percussion primed cartridges containing fin stabilized, high explosive antitank (HEAT) projectiles. Each projectile incorporates a setback armed, M509A1 point initiating base detonating (PIBD) fuze which has a piezoelectric (Lucky) crystal in the point initiating element.
The projectile body is painted olive drab with yellow or black stenciled markings. The windshield is unpainted. The tail boom assembly is coated with clear lacquer (M348) or anodized black (M348A1). The cartridge case is unpainted. The cartridge case markings, lot number, year of manufacture, caliber, and designation, are stamped into the cartridge case base.
Collaborative Ordnance Data Repository