| APERTURE LENGTH | 8.625 INCHES NOMINAL |
| APERTURE WIDTH | 13.125 INCHES NOMINAL |
| BOLT HOLE QUANTITY | 16 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| CROSS-SECTIONAL SHAPE STYLE | SOLID SINGLE OR COMPOSITION |
| CROSS-SECTIONAL THICKNESS | 0.015 INCHES NOMINAL |
| HOLE DIAMETER | 0.531 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| INSIDE CORNER BEVEL LENGTH ALONG LENGTH | 0.125 INCHES NOMINAL |
| INSIDE CORNER BEVEL LENGTH ALONG WIDTH | 0.125 INCHES NOMINAL |
| OUTSIDE CORNER RADIUS | 0.750 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.750 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.750 INCHES NOMINAL |
| OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG LENGTH | 2.000 INCHES NOMINAL |
| OUTSIDE EDGE TO INSIDE EDGE SMALLEST DISTANCE ALONG WIDTH | 1.875 INCHES NOMINAL |
| OVERALL LENGTH | 7.375 INCHES NOMINAL |
| OVERALL WIDTH | 18.750 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-20085 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | CELLULOSE OR FIBER OVERALL |
| SPECIAL FEATURES | BOLT HOLES ALONG WIDTH ARE OF DIFFERENT SPACINGTHAN HOLES ALONG LENGTH |
| STYLE DESIGNATOR | NON-CIRCULAR |