The Generator,signal, cataloged under National Stock Number 6625-01-237-4693, 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 Viavi Solutionsllc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-237-4693 |
| Primary Part Number | 2018A |
| Item Name | Generator,signal |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Viavi Solutionsllc |
| Status | ACTIVE |
| Current Type | AC |
| Modulation Type | FM AND AM |
| Accessory Component Name | POWER CORD |
| Modulator Location | EXTERNAL |
| Output Impedance Rating | 50.0 OHMS NOMINAL |
| Frequency Range Rating | +0.800 TO 520.000 MEGAHERTZ |
| Accessory Component Quantity | 1 |
| Mounting Type | RACK |
| Voltage Rating | 115.0 VOLTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | YH |
| Weight | 33.0000 lbs |
| Cube | 1.6042 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2018A PRIMARY | Viavi Solutionsllc (USA) |
| Reference | Meaning |
|---|---|
| 2018A | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
NSN 6625-01-237-4693 is a Generator,signal, manufactured by Viavi Solutionsllc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-237-4693 has 1 manufacturer part number on file: 2018A (Viavi Solutionsllc).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-465-2546. Verify interchangeability with system specifications before substitution.
Key specifications for 2018A: Overall Height: 8.000 INCHES NOMINAL IN; Current Type: AC; Modulation Type: FM AND AM; Accessory Component Name: POWER CORD. 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.