| DISTANCE BETWEEN MOUNTING HOLE CENTERS | 3.745 INCHES MINIMUM AND 3.755 INCHES MAXIMUM |
| FLANGE LENGTH | 4.812 INCHES NOMINAL |
| FLANGE MOUNTING HOLE DIAMETER | 0.390 INCHES NOMINAL |
| FLANGE THICKNESS | 0.312 INCHES NOMINAL |
| FLANGE WIDTH | 4.812 INCHES NOMINAL |
| HEIGHT | 4.375 INCHES NOMINAL |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | SELECTED AND TESTED FOR NAVIGATIONAL SYSTEMS |
| SHORTEST DISTANCE BETWEEN MOUNTING HOLE CENTERS | 3.745 INCHES MINIMUM AND 3.755 INCHES MAXIMUM |
| STUD LENGTH | 1.000 INCHES NOMINAL ALL THREADED STUD |
| STYLE DESIGNATOR | ROUND SPRING COMPRESSION FOUR-HOLE FLANGE |
| THREAD SIZE | 1/2-13 ALL THREADED PORTIONS |