| BODY OUTSIDE DIAMETER | 3.750 INCHES NOMINAL |
| BORE DIAMETER | 2.750 INCHES MINIMUM AND 2.751 INCHES MAXIMUM |
| INSIDE DIAMETER | 0.250 INCHES NOMINAL ALL PORTS |
| LONGEST HORIZONTAL DISTANCE BETWEEN MOUNTING CENTERS | 0.968 INCHES NOMINAL |
| LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS | 0.875 INCHES NOMINAL |
| OVERALL DIAMETER | 4.500 INCHES NOMINAL |
| OVERALL LENGTH | 10.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-T-825, COMP 4130-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OR QQ-T-825, COMP 8630-CANCELED FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 8630 BODY |
| MOUNTING FACILITY THREAD DIAMETER | 0.313 INCHES NOMINAL |
| MOUNTING FACILITY THREAD CLASS | 3B |
| MOUNTING FACILITY THREAD DIRECTION | RIGHT-HAND |
| MOUNTING FACILITY THREAD LENGTH | 0.469 INCHES NOMINAL |
| MOUNTING FACILITY THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| MOUNTING FACILITY THREAD QUANTITY PER INCH | 18 |
| MOUNTING PROVISION ARRANGEMENT STYLE | FOUR HOLE RECTANGULAR |
| MOUNTING PROVISION | THREADED MOUNTING HOLES |
| MOUNTING TYPE AND LOCATION | FLAT BOTH ENDS |
| PORT LOCATION AND QUANTITY | 4 CYLINDER HEAD END |
| PORT STYLE | GASKET SEAL SINGLE PORT |
| PORT STYLE | SOCKET ALL PORTS |
| PORT THREAD CLASS | 3B ALL PORTS |
| PORT THREAD DIAMETER | 0.438 INCHES NOMINAL ALL PORTS |
| PORT THREAD QUANTITY PER INCH | 20 ALL PORTS |
| PORT THREAD SERIES DESIGNATOR | UNF ALL PORTS |
| SEAT ANGLE IN DEG | 60.0 ALL PORTS |
| SPECIAL FEATURES | ROCKWELL HARDNESS C30 TO 35,CHROMIUM PLATE ID ONLY 0.0002 TO 0.0005 THK,CLASS 2B,FED QQ-C-320,MICROINCH FINESH ON ID,63 MICROINCH FINISH ON BOTH ENDS |