| BEVEL ANGLE IN DEG | 45.000 NOMINAL |
| BEVEL DEPTH | 0.027 INCHES NOMINAL |
| BEVELED EDGE LOCATION AND QUANTITY | 1 SHORT EDGE BEVELED |
| FSC APPLICATION DATA | FIRE CONTROL RANGEFINDER MK 42 |
| LENGTH | 4.359 INCHES MINIMUM AND 4.370 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | JAN-G-174, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE REFLECTIVE BACKING |
| MATERIAL | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| MATERIAL | SILVER REFLECTIVE BACKING |
| WIDTH | 3.532 INCHES MINIMUM AND 3.543 INCHES MAXIMUM |
| THICKNESS | 0.579 INCHES MINIMUM AND 0.590 INCHES MAXIMUM |