| BOLT CIRCLE DIAMETER | 3.875 INCHES NOMINAL |
| BOLT HOLE DIAMETER | 0.688 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 4 |
| FURNISHED ITEMS | GASKET |
| FACE SEATING SURFACE CONDITION | MACHINED |
| FLANGE DIAMETER | 5.250 INCHES NOMINAL |
| FLANGE SECTION STYLE | RAISED FACE (BLIND) |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-872 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED | 875.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT WATER |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 1.250 INCHES |
| OPERATING PRESSURE AND TYPE | 600.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 750.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED |
| RAISED FACE HEIGHT | 0.250 INCHES NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY 1-1/4 IN. NOM PIPE SIZE |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| THICKNESS | 0.812 INCHES NOMINAL |