| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVELED EDGE LOCATION AND QUANTITY | ALL EDGES |
| LENGTH | 3.264 INCHES MINIMUM AND 3.274 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, GRADE D, TYPE 517-645 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | GLASS OPTICAL |
| SPECIAL FEATURES | 1.187 INCH RADII ON THE ENDS |
| REFLECTIVE BACKING MATERIAL | ALUMINIZED |
| WIDTH | 2.364 INCHES MINIMUM AND 2.374 INCHES MAXIMUM |
| THICKNESS | 0.117 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |