| APERTURE DIAMETER | 3.312 INCHES NOMINAL3.312 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| CROSS-SECTIONAL THICKNESS | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL |
| OUTSIDE DIAMETER | 3.938 INCHES NOMINAL3.938 INCHES NOMINAL |
| MATERIAL | ASBESTOS AND STEEL OVERALL |
| MAXIMUM PRESSURE RATING | 150.0 POUNDS PER SQUARE INCH (PSI)150.0 POUNDS PER SQUARE INCH (PSI) |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND A CLASS |
| STYLE DESIGNATOR | CIRCULAR |
| TEMP RATING | 610.0 FAHRENHEIT610.0 FAHRENHEIT |