| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 58.0 ROCKWELL C MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 CLASS 440C OR 440F FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 440C OR STEEL COMP 440F |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| SURFACE FINISH | 125.0 MICROINCHES SHANK |
| SURFACE FINISH | 80.0 MICROINCHES BALL END |
| TEST DATA DOCUMENT | 36659-LC+72-1076 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |