| BOLT CIRCLE DIAMETER | 2.625 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.562 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 4 |
| FURNISHED ITEMS | GASKET |
| FACE SEATING SURFACE CONDITION | MACHINED |
| FLANGE DIAMETER | 3.750 INCHES NOMINAL |
| FLANGE SECTION STYLE | RAISED FACE (BLIND) |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED | 600.0 POUNDS PER SQUARE INCH STEAM AND 750.0 POUNDS PER SQUARE INCH GAS AND 750.0 POUNDS PER SQUARE INCH OIL AND 750.0 POUNDS PER SQUARE INCH WATER |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 875.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 4255.0 FAHRENHEIT WATER |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 0.500 INCHES |
| RAISED FACE HEIGHT | 0.250 INCHES NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY 1/2 IN. NOM PIPE SIZE |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| THICKNESS | 0.562 INCHES NOMINAL |