NSN 6625-01-337-6538
Part Details | FREQUENCY STANDARD
6625-01-337-6538 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: 80840012, 808-400-12, G3397521, G339752-1, G3397521, G339752-1, 6625-01-337-6538, 01-337-6538, 6625013376538, 013376538
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 66 | APR 19, 1991 | 01-337-6538 | 42641 ( FREQUENCY STANDARD ) |
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6625-01-337-6538
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 808-400-12 | 55761 | EFRATOM TIME & FREQUENCY PRODUCTSINC |
| G339752-1 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| G339752-1 | 3B150 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 6625-01-337-6538
| Characteristic | Specifications |
|---|---|
| UNIT TYPE | NC ANY ACCEPTABLE |
| FREQUENCY RANGE RATING | +1.000 TO +10.000 MEGAHERTZ |
| PLUG-IN UNIT QUANTITY | 8 |
| INDIVIDUAL PLUG-IN UNIT FREQUENCY | 1.0 MEGAHERTZ AND 10.0 MEGAHERTZ |
| AC VOLTAGE RATING | 115.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL |
| FREQUENCY RATING | 50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM |
| OVERALL LENGTH | 19.000 INCHES NOMINAL |
| OVERALL HEIGHT | 5.250 INCHES NOMINAL |
| OVERALL DEPTH | 19.990 INCHES NOMINAL |
| MOUNTING METHOD | RACK |
| RECORDING DEVICE ACCOMMODATION | NOT PROVIDED |
| SPECIAL FEATURES | MATE COMPATIBLE; FREQ STABILITY AND PHASE NOISE DERIVED FROM ATOMIC RUBIDIUM OSCILLATOR |
| CRITICALITY CODE JUSTIFICATION | AGAV |
| END ITEM IDENTIFICATION | MILSTAR |
| SUPPLEMENTARY FEATURES | RUBIDIUM FREQ STANDARD-1; POWER SUPPLY-1; BATTERY UNIT-1; 10 MHZ BUFFER AMPLIFIERS-2; 5 MHZ BUFFER AMPLIFERS-2; 1 MHZ BUFFER AMP-1; PPS TIMING SIGNALS-2; CONTROLLER-1 |