The Attenuator,variable, cataloged under National Stock Number 5985-00-237-8499, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-237-8499 |
| Primary Part Number | 01801-63401 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Body Style | IRREGULAR |
| Adjustment Device Type and Quantity | 1 SHAFT |
| Application Design | PRINTED CIRCUIT BOARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 01801-63401 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 01801-63401 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 01801-63401 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-00-237-8499 is a Attenuator,variable, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-237-8499 has 1 manufacturer part number on file: 01801-63401 (Keysight Technologies Inc).
Key specifications for 01801-63401: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Body Style: IRREGULAR; Adjustment Device Type and Quantity: 1 SHAFT; Application Design: PRINTED CIRCUIT BOARD. 4 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.
NSN 5985-00-237-8499 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.