The Calibrator,frequency, cataloged under National Stock Number 6625-00-649-4281, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-00-649-4281 |
| Item Name | Calibrator,frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Status | ACTIVE |
| Phase | SINGLE |
| Individual Channel Quantity | 2 |
| AC Voltage Rating | 115.0 VOLTS NOMINAL |
| Case Surface Treatment | ENAMEL |
| Frequency Accuracy in Percent | -0.005 TO 0.005 |
| Individual Channel Frequency | 50.0 MEGAHERTZ MINIMUM AND 100.0 MEGAHERTZ MAXIMUM |
| Accessory Components and Quantity | ADAPTER,1; CRYSTAL UNIT,1; CABLE,POWER OUTPUT,1; CABLE,RF OUTPUT,1; CASE,CALIBRATION,1; WRENCH,1 |
| Frequency Rating | 50.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM |
| Material | ALUMINUM CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AN/USM-45 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6625-00-649-4281 is a Calibrator,frequency, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
Key specifications for 6625-00-649-4281: Phase: SINGLE; Individual Channel Quantity: 2; AC Voltage Rating: 115.0 VOLTS NOMINAL; Case Surface Treatment: ENAMEL. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.