The Generator,signal, cataloged under National Stock Number 6625-01-596-9811, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-596-9811 |
| Primary Part Number | E8257D-520 OPT. 1EU,UNU,1ED,1E1 |
| Item Name | Generator,signal |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Frequency Band Quantity | 6 |
| Frequency Range Rating | +250.0 TO 20000000.0 KILOHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| E8257D-520 OPT. 1EU,UNU,1ED,1E1 PRIMARY | Keysight Technologies Inc (USA) |
| 91912026 | Thales Sa (FRA) |
| Reference | Meaning |
|---|---|
| E8257D-520 OPT. 1EU,UNU,1ED,1E1 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6625-01-596-9811 is a Generator,signal, manufactured by Keysight Technologies Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-596-9811 has 2 manufacturer part numbers on file: E8257D-520 OPT. 1EU,UNU,1ED,1E1 (Keysight Technologies Inc), 91912026 (Thales Sa).
Key specifications for E8257D-520 OPT. 1EU,UNU,1ED,1E1: Frequency Band Quantity: 6; Frequency Range Rating: +250.0 TO 20000000.0 KILOHERTZ; Special Features: OPTION IEU, INTERNAL PULSE GENERATOR: OPT. UNU, STEP ATTENUATOR: OPT. 1E1, TYPE-N (F) RF OUTPUT CONNECTOR, OPT. 1ED, OPTION 520: 250 KHZ TO 20 GHZ GHz; Part Name Assigned by Controlling Agency: MICROWAVE ANALOG SIGNAL GENERATOR. 2 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.