| APERTURE WIDTH | 12.750 INCHES NOMINAL |
| APERTURE LENGTH | 20.300 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 22 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.250 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 3.250 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | EMI |
| CROSS-SECTIONAL HEIGHT | 0.110 INCHES MINIMUM AND 0.138 INCHES MAXIMUM |
| ENVIRONMENTAL PROTECTION MATERIAL LOCATION | AROUND RF SHIELDING GASKET OUTER PERIMETER |
| HOLE DIAMETER | 0.272 INCHES NOMINAL |
| OUTSIDE CORNER RADIUS | 0.500 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.900 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 2.000 INCHES NOMINAL |
| OVERALL LENGTH | 21.300 INCHES NOMINAL |
| OVERALL WIDTH | 13.750 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-6130B,TYPE 2,GRADE A MIL SPEC SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281B FED SPEC 1ST MATERIAL RESPONSE AND AMS-4730-A FED SPEC 2ND MATERIAL RESPONSE EMI/RFI CONDUCTOR |
| MATERIAL | NICKEL ALLOY 400 AND NICKEL ALLOY R-405 EMI/RFI CONDUCTOR |
| MATERIAL | RUBBER CHLOROPRENE CLASS CR ENVIRONMENTAL SEAL |
| STYLE DESIGNATOR | NON-CIRCULAR |