Part Details | ELECTRICAL FREQUENCY METER
6625-00-239-7405 An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in Hertz (cycles per second or CPS). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see CALIBRATOR, FREQUENCY; and WAVEMENTER. Excludes: COUNTER ELECTRONIC DIGITAL.
Alternate Parts: ES12781ISSUE1, ES12781, 6625-00-239-7405, 00-239-7405, 6625002397405, 002397405
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1963 | 00-239-7405 | 16454 ( METER, ELECTRICAL FREQUENCY ) |
REFERENCE DRAWINGS & PICTURES
THREE HOLE/STUD BOLT CIRCLE
ROUND FLUSH MTG
Cross Reference | NSN 6625-00-239-7405
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| ES12781ISSUE1 | 88818 | KEARFOTT CORPORATIONDBA KEARFOTT |
| ES12781 | 71053 | STATES ELECTRONICS CORPBLUDWORTH MARINE DIV |
Technical Data | NSN 6625-00-239-7405
| Characteristic | Specifications |
|---|---|
| INSTALLATION DESIGN | PANEL |
| INDICATOR TYPE | DIAL W/POINTER |
| MOVEMENT TYPE | VIBRATING REED |
| REGISTER QUANTITY | 1 |
| RESONANT REED QUANTITY | 5 |
| FREQUENCY RESPONSE RANGE | +59.000 TO +61.000 HERTZ |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 THREADED STUD |
| POWER SOURCE | EXTERNAL |
| STYLE DESIGNATOR | ROUND FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.344 INCHES NOMINAL |
| METER DEPTH BEHIND MOUNTING FLANGE | 2.562 INCHES NOMINAL |
| OVERALL DIAMETER | 3.250 INCHES NOMINAL |
| MOUNTING FACILITY TYPE AND QUANTITY | 3 UNTHREADED HOLE |
| MOUNTING HOLE DIAMETER | 0.125 INCHES NOMINAL |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 1.438 INCHES NOMINAL |
| NUCLEAR HARDNESS CRITICAL FEATURE | |
| SPECIAL MARKINGS | 3600 RPM SLOW FAST ABOVE SCALE; MOTOR SPEED BELOW SCALE |
| FEATURES PROVIDED | ZERO ADJUSTER |
| SPECIAL FEATURES | TROPICALIZED |
| FSC APPLICATION DATA | TEST SET,ELECT. EQUIP. |