| APERTURE DIAMETER | 1.580 INCHES MINIMUM AND 1.640 INCHES MAXIMUM |
| BOLT CIRCLE DIAMETER | 4.470 INCHES MINIMUM AND 4.530 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 4 |
| HOLE DIAMETER | 0.875 INCHES NOMINAL ALL HOLES |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-PRF-1149 MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | RUBBER OVERALL |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | GASKET, FLANGE |
| PROPRIETARY CHARACTERISTICS | PACS |
| OUTSIDE DIAMETER | 6.090 INCHES MINIMUM AND 6.150 INCHES MAXIMUM |
| STYLE DESIGNATOR | CIRCULAR |