The Attenuator,variable, cataloged under National Stock Number 5985-00-047-9555, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-047-9555 |
| Primary Part Number | 3750A |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Impedance Rating in Ohms | 75.0 INPUT |
| Frequency Range | 0.000 HERTZ MINIMUM AND 100.000 MEGAHERTZ MAXIMUM |
| Body Style | COAXIAL TYPE |
| Overall Attenuation Range in Decibels | +0.0 TO 99.0 |
| Voltage Standing Wave Ratio | 1.08 |
| Overall Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Attenuation Per Step in Decibels | 1.0 |
| Attenuation Variation Method | STEPPED |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| Application Design | TRANSMISSION LINE |
| Step Position Quantity | 99 |
| 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 |
|---|---|
| 3750A PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 3750A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 3750A | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5985-00-047-9555 is a Attenuator,variable, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-047-9555 has 1 manufacturer part number on file: 3750A (Keysight Technologies Inc).
Key specifications for 3750A: Impedance Rating in Ohms: 75.0 INPUT; Frequency Range: 0.000 HERTZ MINIMUM AND 100.000 MEGAHERTZ MAXIMUM; Body Style: COAXIAL TYPE; Overall Attenuation Range in Decibels: +0.0 TO 99.0. 11 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.