| GENERAL CHARACTERISTICS ITEM DESCRIPTION | ITEM USED ON 81-MM MORTAR;OVERALLDIA 3.497 IN.;OUTSIDE EDGE CHAMFERED 0.156 IN. AT 45 DEG ANGLE;OVERALL THICKNESS 1.500 IN.; INSIDE SPHERICAL DIA.2.300 IN.,0.410 IN. FROM OUTSIDE WALL;MATERIAL: FORGING,STEEL ALLOY 4135 TO 4140,5140H OR 1340H SPEC MIL-S-13048;FINAL PROTECTIVE FINISH CADMIUM PLATE,TYPE II,CLASS 3,SPEC QQ-P-416 |