Part Details | FREQUENCY STANDARD
6625-00-890-6493 An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.
Alternate Parts: AA58034, A-A-58034, 5061AE21003, 5061A-E21-003, E215061A003, E21-5061A003, 6625-00-890-6493, 00-890-6493, 6625008906493, 008906493
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | MAY 05, 1972 | 00-890-6493 | 42641 ( FREQUENCY STANDARD ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6625-00-890-6493
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A-A-58034 | 58536 | FEDERAL COMMERCIAL ITEM DESCRIPTIONPROMULGATED BY GENERAL SERVICES |
| 5061A-E21-003 | 1LQK8 | KEYSIGHT TECHNOLOGIES, INC. |
| E21-5061A003 | 1LQK8 | KEYSIGHT TECHNOLOGIES, INC. |
Technical Data | NSN 6625-00-890-6493
| Characteristic | Specifications |
|---|---|
| UNIT TYPE | GL ANY ACCEPTABLE |
| FREQUENCY RANGE RATING | +0.001 TO +100.000 KILOHERTZ |
| AC VOLTAGE RATING | 115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL |
| FREQUENCY RATING | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM |
| PHASE | SINGLE |
| DC VOLTAGE RATING | 22.0 VOLTS MINIMUM AND 30.0 VOLTS MAXIMUM |
| OVERALL WIDTH | 16.750 INCHES NOMINAL |
| OVERALL HEIGHT | 15.938 INCHES NOMINAL |
| OVERALL DEPTH | 21.500 INCHES NOMINAL |
| RECORDING DEVICE ACCOMMODATION | NOT PROVIDED |
| SPECIAL FEATURES | OPT E21 DENOTES FLYING CLOCK & POWER SUPPLY; OPT 003 DENOTES COMBINATION OF OPT 001 TIME STANDARD & OPT 002 STANDBY POWER SUPPLY |
| END ITEM IDENTIFICATION | ELECTRONIC TEST EQUIPMENT |
| UNPACKAGED UNIT WEIGHT | 64.000 POUNDS |
| SUPPLEMENTARY FEATURES | CESIUM BEAM 100KHZ, 1MHZ, & 5MHZ |