| APERTURE LENGTH | 3.180 INCHES MINIMUM AND 3.220 INCHES MAXIMUM |
| APERTURE WIDTH | 2.980 INCHES MINIMUM AND 3.020 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 4 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 2.790 INCHES MINIMUM AND 2.810 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| CROSS-SECTIONAL SHAPE STYLE | SOLID SINGLE OR COMPOSITION |
| CROSS-SECTIONAL THICKNESS | 0.031 INCHES NOMINAL |
| HOLE DIAMETER | 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| INSIDE CORNER INVERTED RADIUS | 0.312 INCHES NOMINAL |
| OUTSIDE CORNER RADIUS | 0.250 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.565 INCHES MINIMUM AND 0.585 INCHES MAXIMUM |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| OVERALL LENGTH | 3.930 INCHES MINIMUM AND 3.970 INCHES MAXIMUM |
| OVERALL WIDTH | 3.730 INCHES MINIMUM AND 3.770 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL |
| STYLE DESIGNATOR | NON-CIRCULAR |