| APERTURE LENGTH | 20.250 INCHES NOMINAL |
| APERTURE WIDTH | 6.750 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 20 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 2.964 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 0.250 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | WIRE AND COMPOSITION |
| CROSS-SECTIONAL HEIGHT | 0.090 INCHES NOMINAL |
| ENVIRONMENTAL PROTECTION MATERIAL LOCATION | THROUGHOUT SEALING GASKET |
| HOLE DIAMETER | 0.125 INCHES NOMINAL |
| INSIDE CORNER RADIUS | 0.060 INCHES NOMINAL |
| OUTSIDE CORNER RADIUS | 0.060 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 2.416 INCHES NOMINAL |
| OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG LENGTH | 0.500 INCHES NOMINAL |
| OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH | 0.500 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.250 INCHES NOMINAL |
| OVERALL LENGTH | 21.250 INCHES NOMINAL |
| OVERALL WIDTH | 7.750 INCHES NOMINAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | GASKET,COVER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 MIL STD SINGLE MATERIAL RESPONSE EMI/RFI CONDUCTOR |
| MATERIAL DOCUMENT AND CLASSIFICATION | ZZ-R-765,CLASS 3,GRADE 30 MIL STD SINGLE MATERIAL RESPONSE ENVIRONMENTAL SEAL |
| MATERIAL | NICKEL ALLOY AND COPPER EMI/RFI CONDUCTOR |
| MATERIAL | RUBBER SILICONE CLASS Q ENVIRONMENTAL SEAL |
| STYLE DESIGNATOR | NON-CIRCULAR |