| APERTURE DIAMETER | 18.880 INCHES NOMINAL |
| CROSS-SECTIONAL THICKNESS | 0.188 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | METAL AND SYNTHETIC RUBBER |
| ENVIRONMENTAL PROTECTION MATERIAL LOCATION | THROUGHOUT SEALING GASKET |
| OUTSIDE DIAMETER | 19.255 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR |
| MATERIAL DOCUMENT AND CLASSIFICATION | ZZ-R-765 FED SPEC SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL |
| MATERIAL | NICKEL AND COPPER AND RUBBER EMI/RFI CONDUCTOR |
| MATERIAL | RUBBER SILICONE CLASS Q ENVIRONMENTAL SEAL |
| STYLE DESIGNATOR | CIRCULAR |