| MATERIAL | COPPER ALLOY |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| BOLT CIRCLE DIAMETER | 3.375 INCHES NOMINAL |
| FLANGE DIAMETER | 4.500 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 4 |
| FLANGE SECTION STYLE | PLAIN FACE (BLIND) |
| THICKNESS | 0.438 INCHES NOMINAL |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 1.250 INCHES |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 150.0 POUNDS PER SQUARE INCH AIR AND |
| 100.0 POUNDS PER SQUARE INCH STEAM AND |
| 150.0 POUNDS PER SQUARE INCH GAS AND |
| 150.0 POUNDS PER SQUARE INCH OIL AND |
| 150.0 POUNDS PER SQUARE INCH WATER |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 150.0 DEG FAHRENHEIT AIR AND |
| 425.0 DEG FAHRENHEIT STEAM AND |
| 150.0 DEG FAHRENHEIT GAS AND |
| 150.0 DEG FAHRENHEIT OIL AND |
| 150.0 DEG FAHRENHEIT WATER |
| FACE SEATING SURFACE CONDITION | MACHINED |
| FURNISHED ITEMS | GASKET |
| NONDEFINITIVE SPEC/STD DATA | EF TYPE AND |
| PLAIN CLASS |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81349 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-F-20042 |