| POWER SOURCE | EXTERNAL |
| CIRCUIT CURRENT FOR WHICH DESIGNED | DC |
| STYLE DESIGNATOR | ROUND FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.070 INCHES NOMINAL |
| METER DEPTH BEHIND MOUNTING FLANGE | 2.200 INCHES NOMINAL |
| OVERALL DIAMETER | 2.696 INCHES MAXIMUM |
| OVERALL LENGTH | 2.600 INCHES NOMINAL |
| INSTALLATION DESIGN | PANEL |
| INDICATOR TYPE | DIAL W/POINTER |
| MEASUREMENT RANGE | 390.0 TO 410.0 HERTZ SINGLE INDICATOR SINGLE RANGE |
| ACCURACY IN PERCENT | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE |
| SCALE GRADUATION TYPE | LINEAR SINGLE INDICATOR SINGLE RANGE |
| SCALE DIVISION QUANTITY | 40 SINGLE INDICATOR SINGLE RANGE |
| POINTER COLOR | BLACK SINGLE INDICATOR SINGLE RANGE |
| DIAL SCALE MARKING COLOR | BLACK SINGLE INDICATOR SINGLE RANGE |
| BACKGROUND COLOR | WHITE SINGLE INDICATOR SINGLE RANGE |
| MOVEMENT TYPE | MOVING COIL, PERMANENT MAGNET |
| MOVEMENT SUSPENSION METHOD | TAUT BAND |
| FREQUENCY RESPONSE RANGE | 390.000 TO 410.000 HERTZ |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 THREADED STUD |
| MOUNTING FACILITY TYPE AND QUANTITY | 3 UNTHREADED HOLE |
| MOUNTING HOLE DIAMETER | 0.120 INCHES MINIMUM AND |
| 0.130 INCHES MAXIMUM |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 2.440 INCHES NOMINAL |
| MATERIAL | STEEL |
| NUCLEAR HARDNESS CRITICAL FEATURE | NONHARDENED |
| ENVIRONMENTAL PROTECTION | SHOCK RESISTANT AND |
| VIBRATION RESISTANT |
| FEATURES PROVIDED | ZERO ADJUSTER |
| SPECIAL FEATURES | RUGGEDIZED |
| FSC APPLICATION DATA | TEST SET,ELECT,EQUIP. |