| APERTURE DIAMETER | 11.169 INCHES MAXIMUM |
| CONSTRUCTION | SOLID |
| CRITICALITY CODE JUSTIFICATION | FEAT |
| CROSS-SECTIONAL SHAPE STYLE | SPECIAL |
| MATERIAL | NICKEL ALLOY 2ND INTERMEDIATE RING |
| MATERIAL | STEEL CORROSION RESISTING 1ST INTERMEDIATE RING |
| MATERIAL | STEEL CORROSION RESISTING 3RD INTERMEDIATE RING |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SEAL ASSEMBLY, BRUSH |
| PROPRIETARY CHARACTERISTICS | PACS |
| SPECIAL FEATURES | DURABILITY CRITICAL |
| STYLE DESIGNATOR | CIRCULAR |