Part Details | FREQUENCY STANDARD
6625-00-253-5122 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: 304D, 304D, 6625-00-253-5122, 00-253-5122, 6625002535122, 002535122
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | JUN 18, 1973 | 00-253-5122 | 42641 ( FREQUENCY STANDARD ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6625-00-253-5122
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 304D | 19397 | BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION INC. |
| 304D | 63409 | TREMETRICS INCDIV OF FINNIGAN |
Technical Data | NSN 6625-00-253-5122
| Characteristic | Specifications |
|---|---|
| AC VOLTAGE RATING | 103.0 VOLTS MINIMUM AND 130.0 VOLTS MAXIMUM AND 206.0 VOLTS MINIMUM AND 260.0 VOLTS MAXIMUM |
| FREQUENCY RATING | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM |
| DC VOLTAGE RATING | 23.0 VOLTS MINIMUM AND 32.0 VOLTS MAXIMUM |
| OVERALL WIDTH | 19.000 INCHES NOMINAL |
| OVERALL HEIGHT | 5.250 INCHES NOMINAL |
| OVERALL DEPTH | 17.250 INCHES NOMINAL |
| RECORDING DEVICE ACCOMMODATION | NOT PROVIDED |
| SPECIAL FEATURES | NHAPN CT190488-06 |
| END ITEM IDENTIFICATION | ELECTRONIC TEST EQUIPMENT |
| SUPPLEMENTARY FEATURES | RUBIDIUM FREQUENCY STANDARD |
| REFERENCE DATA AND LITERATURE | T.O.31S1-2GKC1-1 AND T.O.33A1-5-340-11 |