| APERTURE DIAMETER | 3.375 INCHES NOMINAL3.375 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER |
| CROSS-SECTIONAL THICKNESS | 0.175 INCHES NOMINAL0.175 INCHES NOMINAL |
| ENVIRONMENTAL ATTRIBUTE CODE | ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS |
| OUTSIDE DIAMETER | 3.969 INCHES NOMINAL3.969 INCHES NOMINAL |
| MATERIAL | GRAPHITE AND STEEL OVERALL |
| NONDEFINITIVE SPEC/STD DATA | 150 SERIES AND 2.500 SIZE |
| STYLE DESIGNATOR | CIRCULAR |