| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,CARBON,COLD ROLLED,KILLED,SPHEROIDIZED,COMP. 1060(S1 0.15-0.30%) GRAIN SIZE 5-7,ASTM-A568 OR COMP. 1055-1065,ASTM-A108; HEAT TREATMENT=HARDEN AT 840 DEG. C. IN A CARBONITRIDING ATMOSPHERE FOR 40 MIN.,OIL QUENCH,TEMPER 1 HR. MIN. TO RH A72-75; MANGANESE PHOSPHATE,MIL-P-16232,TYPE M,CLASS 1; 36.0MM. LG.; 20.0 MM. DIA.; 16.0 MM. DIA. HOLE |