The Attenuator,fixed, cataloged under National Stock Number 5985-01-249-1876, 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 12 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-249-1876 |
| Primary Part Number | 8491A-010-UK6 |
| Item Name | Attenuator,fixed |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM |
| Body Style | ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE |
| Voltage Standing Wave Ratio | 1.20 AND 1.30 |
| Mounting Method | CONNECTOR |
| Rf Signal Attenuation in Decibels | 10.0 |
| Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Connection Type Per Function | FEMALE INPUT AND MALE OUTPUT |
| Voltage Standing Wave Ratio Frequency Range | +0.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ |
| Application Design | TRANSMISSION LINE |
| Terminal Type and Quantity | 2 CONNECTOR |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8491A-010-UK6 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 8491A-010-UK6 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| G307739-1 | 5/9 Secondary reference Raytheon Company Div Corp |
| G307739-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| 8491AOPTION010,OPTION890 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 8491A-010-890 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 8491A-010-UK6 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5985-01-249-1876 is a Attenuator,fixed, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-249-1876 has 1 manufacturer part number on file: 8491A-010-UK6 (Keysight Technologies Inc).
Key specifications for 8491A-010-UK6: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Frequency Range: 0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Voltage Standing Wave Ratio: 1.20 AND 1.30. 12 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 5985-01-249-1876 has DEMIL Code Q. 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.