| GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL FOR INLET COVERS SHALL HAVE THE FOLLOWING CHEMICAL COMPOSITION: 67-71 PCT COPPER WITH ZINC REMAINDER; 5.25 IN. LONG; 3.904 IN. INSIDE DIA; 0.025 IN. THICKNESS ALL AROUND; 25.47 IN. RADIUS; 0.45 IN. NOSE CIRCUMFERENCE; INLET COVER USED FOR 5 INCH 38 CALIBER PROJECTILE MK 32 ALL MODS,MK 38 ALL MODS,OR MK 46 ALL MODS |