| APERTURE WIDTH | 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM |
| APERTURE LENGTH | 3.680 INCHES MINIMUM AND 3.720 INCHES MAXIMUM |
| BOLT HOLE QUANTITY | 4 |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH | 3.490 INCHES MINIMUM AND 3.510 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH | 3.290 INCHES MINIMUM AND 3.310 INCHES MAXIMUM |
| CROSS-SECTIONAL SHAPE STYLE | SOLID SINGLE OR COMPOSITION |
| CROSS-SECTIONAL THICKNESS | 0.031 INCHES NOMINAL |
| HOLE DIAMETER | 0.281 INCHES NOMINAL |
| INSIDE CORNER INVERTED RADIUS | 0.312 INCHES NOMINAL |
| OUTSIDE CORNER RADIUS | 0.500 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG WIDTH | 0.350 INCHES NOMINAL |
| OUTSIDE EDGE TO BOLT HOLE CENTER DISTANCE ALONG LENGTH | 0.350 INCHES NOMINAL |
| OVERALL LENGTH | 4.180 INCHES MINIMUM AND 4.220 INCHES MAXIMUM |
| OVERALL WIDTH | 3.980 INCHES MINIMUM AND 4.020 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-A-17472 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ASBESTOS AND RUBBER NATURAL OR RUBBER SYNTHETIC OVERALL |
| SPECIAL FEATURES | 0.250 IN. RADIUS FILLETS ON LINES INTERSECTING THE INVERTED RADIUS |
| STYLE DESIGNATOR | NON-CIRCULAR |