| GENERAL CHARACTERISTICS ITEM DESCRIPTION | CONSISTS OF PISTON; MATERIAL,STEEL 1045,SPEC QQ-S-631; HARDNESS,ROCKWELL C30-36; SURFACE TREAT,BRONZEOVERLAY,SPEC MIL-STD-1261,CLASS 2; AND ROD; MATERIAL,STEEL ALLOY 4140,8640,OR 8740 ASTM-A322 OR ASTM-A331,OR STEEL ALLOY FORGING 4140,8640,OR 8740,GRADE D,SPEC MIL-S-46172; HARDNESS,ROCKWELL C30-35; SURFACE TREAT,HARD CHROME PLATE,SPEC QQ-C-320,CLASS 2B; 35.190 IN. OVERALLLG.; 1.620 IN. OVERALL DIAMETER |