| APERTURE LENGTH | 16.750 INCHES MINIMUM AND 16.781 INCHES MAXIMUM |
| APERTURE WIDTH | 15.875 INCHES MINIMUM AND 15.906 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 16 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 4.375 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 4.156 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| CROSS-SECTIONAL SHAPE STYLE | SOLID SINGLE OR COMPOSITION |
| CROSS-SECTIONAL THICKNESS | 0.031 INCHES NOMINAL |
| HARDNESS RATING | 55.0 SHORE DUROMETER A NOMINAL OVERALL |
| HOLE DIAMETER | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| INSIDE CORNER RADIUS | 0.250 INCHES NOMINAL |
| OVERALL LENGTH | 18.219 INCHES MINIMUM AND 18.281 INCHES MAXIMUM |
| OVERALL WIDTH | 17.344 INCHES MINIMUM AND 17.406 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | RUBBER CHLOROPRENE CLASS CR OVERALL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| STYLE DESIGNATOR | NON-CIRCULAR |