| APERTURE WIDTH | 8.380 INCHES MINIMUM AND 8.560 INCHES MAXIMUM |
| APERTURE LENGTH | 19.000 INCHES MINIMUM AND 19.180 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 16 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.948 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 3.040 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| CROSS-SECTIONAL SHAPE STYLE | SOLID SINGLE OR COMPOSITION |
| CROSS-SECTIONAL THICKNESS | 0.063 INCHES NOMINAL |
| HOLE DIAMETER | 0.220 INCHES MINIMUM AND 0.260 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| INSIDE CORNER RADIUS | 0.250 INCHES NOMINAL |
| OVERALL LENGTH | 20.440 INCHES MINIMUM AND 20.500 INCHES MAXIMUM |
| OVERALL WIDTH | 9.820 INCHES MINIMUM AND 9.880 INCHES MAXIMUM |
| MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL |
| OUTSIDE CORNER RADIUS | 0.250 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| STYLE DESIGNATOR | NON-CIRCULAR |