| BOLT CIRCLE DIAMETER | 4.500 INCHES MINIMUM AND 4.525 INCHES MAXIMUM |
| BOLT HOLE DIAMETER | 0.781 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 4 |
| FURNISHED ITEMS | GASKET |
| FACE SEATING SURFACE CONDITION | MACHINED |
| FLANGE DIAMETER | 6.125 INCHES NOMINAL |
| FLANGE SECTION STYLE | RAISED FACE (BLIND) |
| NOMINAL PIPE SIZE FOR WHICH DESIGNED | 1.500 INCHES |
| 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 DEG FAHRENHEIT STEAM AND 425.0 DEG FAHRENHEIT GAS AND 425.0 DEG FAHRENHEIT OIL AND 425.0 DEG FAHRENHEIT WATER |
| RAISED FACE HEIGHT | 0.250 INCHES NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY 1-1/2 IN. NOM PIPE SIZE |
| STYLE DESIGNATOR | ROUND, ONE BOLT HOLE CIRCLE |
| THICKNESS | 0.875 INCHES MINIMUM AND 0.922 INCHES MAXIMUM |