| INSTALLATION DESIGN | PANEL |
| INDICATOR TYPE | DIAL W/POINTER |
| MEASUREMENT RANGE | 394.0 TO 404.0 HERTZ SINGLE INDICATOR 1ST RANGE |
| 340.0 TO 440.0 HERTZ SINGLE INDICATOR 2ND RANGE |
| ACCURACY IN PERCENT | -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES |
| SCALE GRADUATION TYPE | LINEAR SINGLE INDICATOR ALL RANGES |
| SCALE DIVISION QUANTITY | 50 SINGLE INDICATOR ALL RANGES |
| POINTER COLOR | BLACK SINGLE INDICATOR ALL RANGES |
| DIAL SCALE MARKING COLOR | BLACK SINGLE INDICATOR ALL RANGES |
| BACKGROUND COLOR | WHITE SINGLE INDICATOR ALL RANGES |
| MOVEMENT TYPE | MOVING COIL, PERMANENT MAGNET |
| MOVEMENT SUSPENSION METHOD | JEWEL PIVOT BASE |
| FREQUENCY RESPONSE RANGE | 340.000 TO 440.000 HERTZ |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 WIRE LEAD |
| SCALE SELECTION METHOD | TERMINAL |
| DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS | 3000.0 |
| POWER SOURCE | EXTERNAL |
| CIRCUIT CURRENT FOR WHICH DESIGNED | AC |
| OPERATING VOLTAGE RATING IN VOLTS | 440.0 AC NOMINAL |
| FREQUENCY RATING | 390.0 HERTZ NOMINAL |
| STYLE DESIGNATOR | ROUND FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 3.600 INCHES MAXIMUM |
| METER DEPTH BEHIND MOUNTING FLANGE | 1.400 INCHES MAXIMUM |
| OVERALL LENGTH | 2.150 INCHES MAXIMUM |
| MOUNTING FACILITY TYPE AND QUANTITY | 3 SCREW AND |
| 3 UNTHREADED HOLE |
| MOUNTING HOLE DIAMETER | 0.200 INCHES NOMINAL |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 4.124 INCHES MAXIMUM |
| MATERIAL | PLASTIC |
| SURFACE TREATMENT | PAINT |
| NUCLEAR HARDNESS CRITICAL FEATURE | NONHARDENED |
| FURNISHED ITEMS AND QUANTITY | NUT 3; LOCKWASHER 3; SEAL 1 |
| SPECIAL MARKINGS | ON BACK,SEALED DO NOT OPEN |
| FEATURES PROVIDED | MAGNETIC SHIELD AND |
| ZERO ADJUSTER |
| SPECIAL FEATURES | RUGGEDIZED |
| SPECIAL TEST FEATURES | COMPLIES WITH MIL-M-10304 |
| FSC APPLICATION DATA | TEST SET,ELECT. EQUIP. |