| Item Name | Frequency Standard |
| INC Code | 42641 |
| Federal Supply Group (FSG) | Instruments And Laboratory Equipment |
| Federal Supply Class (FSC) | 6625 Electrical and Electronic Properties Measuring and Testing Instruments |
| National Item Identification Number (NIIN) | 01-586-7322 (015867322) |
| NCB Code | USA (01) |
| Manufacturer | Microsemi Frequency And Time, Symmetricom Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| BHZL | Recording Device Accommodation | NOT PROVIDED |
| ABFY | Overall Depth | 381.0 MILLIMETERS NOMINAL |
| AFGQ | Frequency Range Rating | +47.000/+63.000 HERTZ |
| ACYN | Ac Voltage Rating | 100.0 VOLTS MINIMUM AND 240.0 VOLTS MAXIMUM |
| MRC | Decoded Requirement | Clear Text Reply |
| FEAT | Special Features | RS-232-C INTERFACE; 30 MIN WARM UP TIME; 0 TO 50 C OPERATING TEMP |
| ACYR | Dc Voltage Rating | 24.0 VOLTS NOMINAL |
| ABMK | Overall Width | 483.0 MILLIMETERS NOMINAL |
| ABKW | Overall Height | 89.9 MILLIMETERS NOMINAL |
| AXGY | Mounting Method | PIN |
| AWJN | Unpackaged Unit Weight | 13.5 KILOGRAMS |
| TMDN | Type/Model Designation | 4310B |
| AMND | Input Impedance Rating | 50.0 OHMS NOMINAL |
| CXCY | Part Name Assigned By Controlling Agency | CESIUM FREQUENCY STANDARD |
| BHZG | Individual Plug-In Unit Frequency | 47.0 HERTZ AND 63.0 HERTZ |
| Relevant Components for NSN - 6625-01-586-7322, 6625015867322 | ||||
| 6625-01-376-4014 (6625013764014) | 6625-01-596-3266 (6625015963266) | 6625-01-454-4493 (6625014544493) | 6625-00-758-4930 (6625007584930) | |
| 6625-01-097-6028 (6625010976028) | 6625-00-880-4821 (6625008804821) | 6625-00-546-7387 (6625005467387) | 6625-01-330-3326 (6625013303326) | |
| 6625-01-489-1790 (6625014891790) | 6625-01-142-3847 (6625011423847) | 6625-01-148-4727 (6625011484727) | 6625-01-361-2023 (6625013612023) | |
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