Part Details | ELECTRICAL FREQUENCY METER
6625-00-841-6641 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: 31FHXXRUG, JBTA31FHXXRUG, JBTA31FHXX-RUG, 7172287, 717228-7, 7172287, 717228-7, SMB5373561, SM-B-537356-1, 6625-00-841-6641, 00-841-6641, 6625008416641, 008416641
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JAN 01, 1962 | 00-841-6641 | 16454 ( METER, ELECTRICAL FREQUENCY ) |
REFERENCE DRAWINGS & PICTURES
THREE HOLE/STUD BOLT CIRCLE
ROUND FLUSH MTG
Cross Reference | NSN 6625-00-841-6641
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 31FHXXRUG | 31356 | LEE CO THEJ B T DIV |
| JBTA31FHXX-RUG | 31356 | LEE CO THEJ B T DIV |
| 717228-7 | 82577 | RAYTHEON COMPANYDBA RAYTHEON |
| 717228-7 | 05869 | RAYTHEON COMPANYDBA RAYTHEON |
| SM-B-537356-1 | 80063 | US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS |
Technical Data | NSN 6625-00-841-6641
| Characteristic | Specifications |
|---|---|
| INSTALLATION DESIGN | PANEL |
| INDICATOR TYPE | VIBRATING REED |
| MOVEMENT TYPE | VIBRATING REED |
| REGISTER QUANTITY | 1 |
| RESONANT REED QUANTITY | 5 |
| CIRCUIT ATTACHMENT METHOD AND QUANTITY | 2 SOLDER LUG |
| DIELECTRIC WITHSTANDING VOLTAGE IN VOLTS | 3000.0 |
| POWER SOURCE | EXTERNAL |
| CIRCUIT CURRENT FOR WHICH DESIGNED | AC |
| STYLE DESIGNATOR | ROUND FLUSH MTG |
| METER BODY DIAMETER BEHIND MOUNTING FLANGE | 2.670 INCHES MINIMUM AND 2.710 INCHES MAXIMUM |
| METER DEPTH BEHIND MOUNTING FLANGE | 2.230 INCHES MINIMUM AND 2.270 INCHES MAXIMUM |
| OVERALL DIAMETER | 3.480 INCHES MINIMUM AND 3.520 INCHES MAXIMUM |
| OVERALL LENGTH | 2.944 INCHES MINIMUM AND 3.004 INCHES MAXIMUM |
| MOUNTING FACILITY TYPE AND QUANTITY | 3 SCREW AND 3 UNTHREADED HOLE |
| MOUNTING HOLE DIAMETER | 0.150 INCHES NOMINAL |
| MOUNTING ARRANGEMENT STYLE | THREE HOLE/STUD BOLT CIRCLE |
| MOUNTING BOLT CIRCLE DIAMETER | 3.150 INCHES MINIMUM AND 3.170 INCHES MAXIMUM |
| MATERIAL | PLASTIC PHENOL-FORMALDEHYDE |
| SURFACE TREATMENT | ENAMEL |
| NUCLEAR HARDNESS CRITICAL FEATURE | |
| ENVIRONMENTAL PROTECTION | WATERPROOF |
| FURNISHED ITEMS AND QUANTITY | NUT 3; WASHER 3 |
| SPECIAL FEATURES | REEDS HAVE HIGH Q CHARACTERISTICS |
| SUPPLEMENTARY FEATURES | TEMP COMPENSATIONS NOT REQUIRED |
| FSC APPLICATION DATA | TEST SET,ELECT. EQUIP. |