| APERTURE DIAMETER | 40.89 INCHES NOMINAL |
| BOLT CIRCLE DIAMETER | 42.50 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 24 |
| HOLE DIAMETER | 0.44 INCHES MINIMUM AND 0.47 INCHES MAXIMUM ALL HOLES |
| MATERIAL DOCUMENT AND CLASSIFICATION | A-A-59588 CLASS 2B GRADE 70 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | RUBBER OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | GASKET, COVER, HOUSING |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 43.36 INCHES MINIMUM AND 43.42 INCHES MAXIMUM |
| SPECIAL FEATURES | HAS PRESSURE SENSITIVE ADHESIVE BACKING; CONSTRUCTED OF 4 EQUAL SEGMENTS WITH SPLITLINES LOCATED ON CENTERLINES. |
| STYLE DESIGNATOR | CIRCULAR |